document.write( "Question 572618: so im having problems in my algebra class, how would i do an equation like this ->\r
\n" ); document.write( "\n" ); document.write( "Choose the correct first step(s) to solve the system using elimination.
\n" ); document.write( "4x + 7y = 6 and 6x + y = 2\r
\n" ); document.write( "\n" ); document.write( "(example problem)
\n" ); document.write( " 1)7(6x + y = 2) → -42x - 7y = -14
\n" ); document.write( " 2)4x + 7y = 6x + y
\n" ); document.write( " 3)y = -6x + 20 → 4x + 7(-6x + 20) = 6
\n" ); document.write( " 4)(4x + 7y) + (6x + y) = 8
\n" ); document.write( " 5)(4x + 7y) - (6x + y) = 4
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #368462 by scott8148(6628) $\"\"$ $\"About$

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with elimination, you try to get the coefficients of one of the variables to be equal but opposite in the two equations
\n" ); document.write( "___ that way, when you add the two equations; the variable will be eliminated\r
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\n" ); document.write( "\n" ); document.write( "the 1st option multiplies the 2nd equation by -7 to get equal but opposite coefficients for the y-terms\r
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\n" ); document.write( "\n" ); document.write( "when you add the two equations ___ 4x + 7y - 42x - 7y = 6 - 14\r
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\n" ); document.write( "\n" ); document.write( "the y-terms are eliminated ___ -38x = -8 \n" ); document.write( "

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