{x+3y=-8, 4x-3y=13}

solve the system using substituion method
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1 Answer

x+3y=-8 so x=-3y-8; substitute for x in the other equation:

4(-3y-8)-3y=13,

-12y-32-3y=13,

-15y=13+32=45, y=-45/15=-3.

Therefore x=-3y-8=9-8=1.

SOLUTION x=1, y=-3.
by Top Rated User (1.2m points)

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