X-8=7+6

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Solution for X-8=7+6 equation: 


Simplifying
X + -8 = 7 + 6

Reorder the terms:
-8 + X = 7 + 6

Combine like terms: 7 + 6 = 13
-8 + X = 13

Solving
-8 + X = 13

Solving for variable 'X'.

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

Add '8' to each side of the equation.
-8 + 8 + X = 13 + 8

Combine like terms: -8 + 8 = 0
0 + X = 13 + 8
X = 13 + 8

Combine like terms: 13 + 8 = 21
X = 21

Simplifying
X = 21

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