x-(-7)=15

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Solution for x-(-7)=15 equation: 


Simplifying
x + -1(-7) = 15

Multiply -1 * -7
x + 7 = 15

Reorder the terms:
7 + x = 15

Solving
7 + x = 15

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + x = 15 + -7

Combine like terms: 7 + -7 = 0
0 + x = 15 + -7
x = 15 + -7

Combine like terms: 15 + -7 = 8
x = 8

Simplifying
x = 8

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