document.write( "Question 1103262: Solve the system of equations -2x-2y=−4 and 4x+3y=11 by combining the equations \n" ); document.write( "
Algebra.Com's Answer #717961 by rothauserc(4718)\"\" \"About 
You can put this solution on YOUR website!
1) -2x-2y=−4
\n" ); document.write( ":
\n" ); document.write( "2) 4x+3y=11
\n" ); document.write( ":
\n" ); document.write( "multiply equation 1 by 2
\n" ); document.write( ":
\n" ); document.write( "3) -4x -4y = -8
\n" ); document.write( ":
\n" ); document.write( "add equation 3 to equation 2
\n" ); document.write( ":
\n" ); document.write( "-y = 3
\n" ); document.write( ":
\n" ); document.write( "y = -3
\n" ); document.write( ":
\n" ); document.write( "substitute for y in equation 1
\n" ); document.write( ":
\n" ); document.write( "-2x -2(-3) = -4
\n" ); document.write( ":
\n" ); document.write( "-2x +6 = -4
\n" ); document.write( ":
\n" ); document.write( "-2x = -10
\n" ); document.write( ":
\n" ); document.write( "x = 5
\n" ); document.write( ":
\n" ); document.write( "********************************************
\n" ); document.write( "x = 5 and y = -3
\n" ); document.write( ":
\n" ); document.write( "substitute for x and y in equation 2
\n" ); document.write( ":
\n" ); document.write( "4(5) +3(-3) = 11
\n" ); document.write( ":
\n" ); document.write( "20 -9 = 11
\n" ); document.write( ":
\n" ); document.write( "11 = 11
\n" ); document.write( ":
\n" ); document.write( "our answer checks
\n" ); document.write( "*********************************************
\n" ); document.write( ":
\n" ); document.write( " \n" ); document.write( "
\n" );