X-7+9=-18

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Solution for X-7+9=-18 equation: 


Simplifying
X + -7 + 9 = -18

Reorder the terms:
-7 + 9 + X = -18

Combine like terms: -7 + 9 = 2
2 + X = -18

Solving
2 + X = -18

Solving for variable 'X'.

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

Add '-2' to each side of the equation.
2 + -2 + X = -18 + -2

Combine like terms: 2 + -2 = 0
0 + X = -18 + -2
X = -18 + -2

Combine like terms: -18 + -2 = -20
X = -20

Simplifying
X = -20

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