SOLUTION: Solve each of the following systems by substitution. 5x-2y=-5 y-5x=3
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Question 115788
:
Solve each of the following systems by substitution.
5x-2y=-5
y-5x=3
Answer by
nihat(10)
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We can re-write it as
5x+(-2)y=-5
-5x+1y=3
Solved by
pluggable
solver:
SOLVE linear system by SUBSTITUTION
Solve:
We'll use substitution. After moving -2*y to the right, we get:
, or
. Substitute that
into another equation:
and simplify: So, we know that y=2. Since
, x=-0.2.
Answer:
.