x-(-9)=15

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Solution for x-(-9)=15 equation: 


Simplifying
x + -1(-9) = 15

Multiply -1 * -9
x + 9 = 15

Reorder the terms:
9 + x = 15

Solving
9 + x = 15

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + x = 15 + -9
x = 15 + -9

Combine like terms: 15 + -9 = 6
x = 6

Simplifying
x = 6

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