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How to solve x - 2 = 7? Get the answer and stepwise instruction to solve linear equation in one one variable 𝒙.
We have x - 2 = 7
First, we move the non x terms to the RHS of the equation. To do this, we add 2 to both sides.Note: if a = b, then a + c = b + c
Therefore, x - 2 + 2 = 7 + 2
or, x = 9