document.write( "Question 1130603: Solve the system of equations by the substitution method. (If the system is dependent, let y = c and enter a general solution in terms of c
\n" ); document.write( "{6x + 5y= 7
\n" ); document.write( " x − 3y= 5
\n" ); document.write( "(x, y) =
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Algebra.Com's Answer #747241 by Boreal(15235)\"\" \"About 
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6x+5y=7
\n" ); document.write( "x=3y+5
\n" ); document.write( "6(3y+5)+5y=7
\n" ); document.write( "18y+30+5y=7
\n" ); document.write( "23y=-23
\n" ); document.write( "y= -1
\n" ); document.write( "x=-3+5=2
\n" ); document.write( "(2, -1) ANSWER
\n" ); document.write( "check in first equation
\n" ); document.write( "6(2)+5(-1)=7
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