X+7+x=13

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Solution for X+7+x=13 equation: 


Simplifying
X + 7 + x = 13

Reorder the terms:
7 + X + x = 13

Solving
7 + X + x = 13

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 + X + -7 + x = 13 + -7

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

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

Combine like terms: 13 + -7 = 6
X + x = 6

Add '-1x' to each side of the equation.
X + x + -1x = 6 + -1x

Combine like terms: x + -1x = 0
X + 0 = 6 + -1x
X = 6 + -1x

Simplifying
X = 6 + -1x

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