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Rich Ashworth · Answer 1 · 2023-04-20T13:33:51+0000

Make x the subject of the formula

x + 3 = y

This means you re-write the equation such that x woukd be on one side of the equation alone (usually the left side) and all other terms would be on the other side of the "equal to" sign.

$\begin{gathered} x+3=y \\ \text{Subtract 3 from both sides} \\ x+3-3=y-3 \\ x+0=y-3 \\ x=y-3 \end{gathered}$

The answer is x = y - 3

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