SOLUTION: solve -4x+y =-11 2x-3y =5 by substitution
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Question 107405
:
solve -4x+y =-11
2x-3y =5 by substitution
Answer by
Annabelle1(69)
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Solved by
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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=0.2. Since
, x=2.8.
Answer:
.
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