SOLUTION: Solve the following systems of equations: x+y=-1, 3x=4-3y
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Question 960296
:
Solve the following systems of equations:
x+y=-1,
3x=4-3y
Answer by
EdenWolf(517)
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Solved by
pluggable
solver:
SOLVE linear system by SUBSTITUTION
Solve:
We'll use substitution. After moving 1*y to the right, we get:
, or
. Substitute that
into another equation:
and simplify: So, we know that y=-7=0. Since
, x=6.
Answer:
.
Ignore where it says -7=0, ignore the 0 part.
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