document.write( "Question 181353: Use Substitution to solve each system of equations. state whether it has no solution or infinitely many solutions. x=4y+5 x=3y-2 \n" ); document.write( "

Algebra.Com's Answer #135977 by Fombitz(32388) $\"\"$ $\"About$

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Since both equations equal x, set them equal to each other and solve for y.
\n" ); document.write( "1. $\"+x=4y%2B5\"$
\n" ); document.write( "2. $\"+x=3y-2\"$
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\n" ); document.write( " $\"4y%2B5=3y-2\"$
\n" ); document.write( " $\"y=-7\"$
\n" ); document.write( "Then use either eq. 1 or 2 to solve for x.
\n" ); document.write( " $\"x=4y%2B5\"$
\n" ); document.write( " $\"x=4%28-7%29%2B5\"$
\n" ); document.write( " $\"x=-28%2B5\"$
\n" ); document.write( " $\"x=-23\"$ \n" ); document.write( "

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