X-7=13-x

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Solution for X-7=13-x equation: 


Simplifying
X + -7 = 13 + -1x

Reorder the terms:
-7 + X = 13 + -1x

Solving
-7 + X = 13 + -1x

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 = 13 + 7 + -1x

Combine like terms: -7 + 7 = 0
0 + X = 13 + 7 + -1x
X = 13 + 7 + -1x

Combine like terms: 13 + 7 = 20
X = 20 + -1x

Simplifying
X = 20 + -1x

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