SOLUTION: Solve by substitution:2x-3y=-7 3x+y=-5
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Question 405800
:
Solve by substitution:2x-3y=-7 3x+y=-5
Answer by
MathLover1(20850)
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SOLVE linear system by SUBSTITUTION
Solve:
We'll use substitution. After moving -3*y to the right, we get:
, or
. Substitute that
into another equation:
and simplify: So, we know that y=1. Since
, x=-2.
Answer:
.