Question

Решите уровнение (y-87)-27=36

Answer 1

(y-87)-27=36
y-87-27=36
y-114=36
y=36+114
y=150

Answer 2

(у-87)-27=36
у-87=36+27
у-87=63
у=87+63
у=150
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(150-87)-27=36
36=36.