X-45=-90

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Solution for X-45=-90 equation: 


Simplifying
X + -45 = -90

Reorder the terms:
-45 + X = -90

Solving
-45 + X = -90

Solving for variable 'X'.

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

Add '45' to each side of the equation.
-45 + 45 + X = -90 + 45

Combine like terms: -45 + 45 = 0
0 + X = -90 + 45
X = -90 + 45

Combine like terms: -90 + 45 = -45
X = -45

Simplifying
X = -45

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