document.write( "Question 23756: sovle. check your solution. -7=9+2g
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Algebra.Com's Answer #12531 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
                          -7 = 9 + 2g\r\n" );
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document.write( "To get used to algebra, at first make sure every term has a sign either a + or\r\n" );
document.write( "a - on its left side.  The -7 already has a sign on its left.  The 9 does not\r\n" );
document.write( "have a sign left of it so we put a + left of it\r\n" );
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document.write( "                          -7 = +9 + 2g \r\n" );
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document.write( "There is one term on the left, -7, and two terms on the right, +9 and +2g. \r\n" );
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document.write( "There are no terms that will combine on the left or right.\r\n" );
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document.write( "1. We want to get rid of all terms on the left which DON'T contain the unknown\r\n" );
document.write( "letter g.\r\n" );
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document.write( "2. 1. We want to get rid of all terms on the right which DO contain the unknown\r\n" );
document.write( "letter g.\r\n" );
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document.write( "         The -7 does not contain a g and it is on the left side, so we need to\r\n" );
document.write( "get rid of it by adding its opposite, +7 to both sides\r\n" );
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document.write( "                          -7 = +9 + 2g\r\n" );
document.write( "                          +7   +7\r\n" );
document.write( "                        ------------------\r\n" );
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document.write( "Add vertically:\r\n" );
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document.write( "                          -7 =  +9 + 2g\r\n" );
document.write( "                          +7    +7\r\n" );
document.write( "                        ------------------\r\n" );
document.write( "                           0 = +16 + 2g\r\n" );
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document.write( "Now e have a new equation:\r\n" );
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document.write( "                           0 = +16 + 2g\r\n" );
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document.write( "The first thing we come to is the +16. It does not contain h and it is on the\r\n" );
document.write( "right side, so we leave it alone.\r\n" );
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document.write( "The next thing we come to is the +2g on the right side. It contains a g so we\r\n" );
document.write( "must get rid of the +2g on the right by adding its opposite -2g to both sides\r\n" );
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document.write( "                           0 = +16 + 2g\r\n" );
document.write( "                      -2g          - 2g \r\n" );
document.write( "                     --------------------\r\n" );
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document.write( "Add vertically\r\n" );
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document.write( "                           0 = +16 + 2g\r\n" );
document.write( "                     -2g           - 2g \r\n" );
document.write( "                     --------------------\r\n" );
document.write( "                     -2g + 0 = +16 +  0\r\n" );
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document.write( "We can eliminate the zeros\r\n" );
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document.write( "                         -2g = +16\r\n" );
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document.write( "When we get it down to just one term on the left with the letter and just one\r\n" );
document.write( "term on the right with just a number, that's when we DIVIDE both sides by\r\n" );
document.write( "the coefficient of the unknown letter on the left:\r\n" );
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document.write( "                          -2g    +16\r\n" );
document.write( "                         ————— = ————\r\n" );
document.write( "                           -2     -2\r\n" );
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document.write( "Now you can cancel the -2's on the left and divide +16 by -2, getting -8 on the\r\n" );
document.write( "right                             \r\n" );
document.write( "                           1      -8\r\n" );
document.write( "                          -2g    +16\r\n" );
document.write( "                         ————— = ————\r\n" );
document.write( "                           -2     -2                        \r\n" );
document.write( "                            1      1\r\n" );
document.write( "and get\r\n" );
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document.write( "                             g = -8 \r\n" );
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document.write( "solve. check your solution.\r\n" );
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document.write( "                    5h + 2 - h = 22\r\n" );
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document.write( "The terms on the left are: +5h, +2, and -h.  There is only one term on the\r\n" );
document.write( "right, namely +22.  Write the 5h as +5h, -h as -1h, and the 22 as +22\r\n" );
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document.write( "                  +5h + 2 - 1h = +22\r\n" );
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document.write( "The terms +5h and the term -1h combine as +4h since +5 and -1 give +4.\r\n" );
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document.write( "                       +4h + 2 = +22\r\n" );
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document.write( "The first term we come to is the +4h. It contains h and it is on the left, so\r\n" );
document.write( "we leave it as is.\r\n" );
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document.write( "The next term is the +2.  It does not contain h and is on the left side so we\r\n" );
document.write( "must get rid of it by adding its opposite, -2, to both sides:\r\n" );
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document.write( "                       +4h + 2 = +22\r\n" );
document.write( "                            -2 =  -2\r\n" );
document.write( "                     —————————————————\r\n" );
document.write( "                       +4h + 0 = +20\r\n" );
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document.write( "Get rid of the 0\r\n" );
document.write( "                           +4h = +20\r\n" );
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document.write( "When we get it down to just one term on the left with the letter and just one\r\n" );
document.write( "term on the right with just a number, that's when we DIVIDE both sides by\r\n" );
document.write( "the coefficient of the unknown letter on the left:\r\n" );
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document.write( "                          +4h    +20\r\n" );
document.write( "                         ————— = ————\r\n" );
document.write( "                           +4     +4\r\n" );
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document.write( "Now you can cancel the +4's on the left and divide +20 by +4, getting +5 on the\r\n" );
document.write( "right                             \r\n" );
document.write( "                           1      +5\r\n" );
document.write( "                          +4g    +20\r\n" );
document.write( "                         ————— = ————\r\n" );
document.write( "                           +4     +4                        \r\n" );
document.write( "                            1      1\r\n" );
document.write( "and get\r\n" );
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document.write( "                             g = +5 \r\n" );
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document.write( "Edwin\r\n" );
document.write( "AnlytcPhil@aol.com
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