a-(-8)=15

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Solution for a-(-8)=15 equation: 


Simplifying
a + -1(-8) = 15

Multiply -1 * -8
a + 8 = 15

Reorder the terms:
8 + a = 15

Solving
8 + a = 15

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + a = 15 + -8

Combine like terms: 8 + -8 = 0
0 + a = 15 + -8
a = 15 + -8

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

Simplifying
a = 7

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