4y + 4x = -28 and
x = 2y - 4
2 answers:
4y+4(2y-4)=-28
4y+8y-16=-28
12y-16=-28
12y=-12
y=-1
Answer:
answer
Step-by-step explanation:
Simplifying
4y = 4x + -28
Reorder the terms:
4y = -28 + 4x
Solving
4y = -28 + 4x
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Divide each side by '4'.
y = -7 + x
Simplifying
y = -7 + x
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Step-by-step explanation:
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