X-7-8=-17

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Solution for X-7-8=-17 equation: 


Simplifying
X + -7 + -8 = -17

Reorder the terms:
-7 + -8 + X = -17

Combine like terms: -7 + -8 = -15
-15 + X = -17

Solving
-15 + X = -17

Solving for variable 'X'.

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

Add '15' to each side of the equation.
-15 + 15 + X = -17 + 15

Combine like terms: -15 + 15 = 0
0 + X = -17 + 15
X = -17 + 15

Combine like terms: -17 + 15 = -2
X = -2

Simplifying
X = -2

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