X-9=-8+7

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Solution for X-9=-8+7 equation: 


Simplifying
X + -9 = -8 + 7

Reorder the terms:
-9 + X = -8 + 7

Combine like terms: -8 + 7 = -1
-9 + X = -1

Solving
-9 + X = -1

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 9 + X = -1 + 9

Combine like terms: -9 + 9 = 0
0 + X = -1 + 9
X = -1 + 9

Combine like terms: -1 + 9 = 8
X = 8

Simplifying
X = 8

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