document.write( "Question 350156: Solve the system by substitution, elimination, or graphing:
\n" ); document.write( "4x-3y=2
\n" ); document.write( "3x+3y=-9 \n" ); document.write( "
Algebra.Com's Answer #250282 by CharlesG2(834)\"\" \"About 
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Solve the system by substitution, elimination, or graphing:
\n" ); document.write( "4x-3y=2
\n" ); document.write( "3x+3y=-9\r
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\n" ); document.write( "\n" ); document.write( "below is a method of elimination then substitution\r
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\n" ); document.write( "\n" ); document.write( "the y is eliminated, the x is solved for, then that value of x is substituted
\n" ); document.write( "to solve for y\r
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\n" ); document.write( "\n" ); document.write( "4x - 3y = 2
\n" ); document.write( "3x + 3y = -9\r
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\n" ); document.write( "\n" ); document.write( "add the 2 equations
\n" ); document.write( "7x = -7
\n" ); document.write( "solve for x
\n" ); document.write( "x = -1\r
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\n" ); document.write( "\n" ); document.write( "plug in -1 into the first equation
\n" ); document.write( "4(-1) - 3y = 2
\n" ); document.write( "solve for y
\n" ); document.write( "-4 - 3y = 2
\n" ); document.write( "-3y = 2 + 4
\n" ); document.write( "-3y = 6
\n" ); document.write( "y = -2\r
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\n" ); document.write( "\n" ); document.write( "check
\n" ); document.write( "4(-1) - 3(-2) = -4 + 6 = 2, yes
\n" ); document.write( "3(-1) + 3(-2) = -3 - 6 = -9, yes\r
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