SOLUTION: Solve the system of equations by substitutions 2x+2y=18 x+3y=25
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Question 394222
:
Solve the system of equations by substitutions
2x+2y=18
x+3y=25
Answer by
MathLover1(20850)
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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=8. Since
, x=1.
Answer:
.
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