Question

x+y=72
pls answer me
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Answer 1

Step-by-step explanation:

$x + y = 72 \\ \: \\ put \: x = 0 \\ 0 + y = 72 \\ y = 72 - 0 \\ y = 72 \\ \\ put \: x = 70 \\ 70 + y = 72 \\ y = 72 - 70 \\ y = 2 \\ \\ put \: x = 71 \\ 71 + y = 72 \\ y = 72 - 71 \\ y = 1$

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