X-7=138+x

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Solution for X-7=138+x equation: 


Simplifying
X + -7 = 138 + x

Reorder the terms:
-7 + X = 138 + x

Solving
-7 + X = 138 + x

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + X = 138 + 7 + x

Combine like terms: -7 + 7 = 0
0 + X = 138 + 7 + x
X = 138 + 7 + x

Combine like terms: 138 + 7 = 145
X = 145 + x

Simplifying
X = 145 + x

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