SOLUTION: solve the following systems of equations 2x + y =11 3x + 4y =4
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Question 443113
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solve the following systems of equations 2x + y =11 3x + 4y =4
Answer by
swincher4391(1107)
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2x + y =11
3x + 4y =4
============
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=-5. Since
, x=8.
Answer:
.
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