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How to solve x + 5 = 9? Get the answer and stepwise instruction to solve linear equation in one one variable 𝒙.
We have x + 5 = 9
First, we move the non x terms to the RHS of the equation. To do this, we subtract 5 from both sides.Note: if a = b, then a - c = b - c
Therefore, x + 5 - 5 = 9 - 5
or, x = 4