Answer
36 by 78
Work Step by Step
We first write the word problem as an equation. Next, we solve the equation using substitution. Doing this, we find:
$$ 2x+2\left(x-42\right)=228\\ 2x+2\left(x-42\right)=228\\ x=78 \\ y=78-42 \\ y=36$$
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