7+x-9=-15

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Solution for 7+x-9=-15 equation: 


Simplifying
7 + x + -9 = -15

Reorder the terms:
7 + -9 + x = -15

Combine like terms: 7 + -9 = -2
-2 + x = -15

Solving
-2 + x = -15

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 = -15 + 2

Combine like terms: -2 + 2 = 0
0 + x = -15 + 2
x = -15 + 2

Combine like terms: -15 + 2 = -13
x = -13

Simplifying
x = -13

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