b=15-(-15)

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Solution for b=15-(-15) equation: 


Simplifying
b = 15 + -1(-15)

Multiply -1 * -15
b = 15 + 15

Combine like terms: 15 + 15 = 30
b = 30

Solving
b = 30

Solving for variable 'b'.

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

Simplifying
b = 30

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