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Filename: controllers/calculator.php

Line Number: 37

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We have the equation, 2x + 3 = 9

We can add – 3 on both sides of the equation, 2x + 3 – 3 = 9 – 3 => 2x = 6

We can divide this by 2, then we have x = 3

We have the equation, 7y – 14 = 35

Add + 14 on both sides, then 7y – 14 + 14 = 35 + 14 => 7y = 49

Divide the equation by 7, Then we get y = 7