5-(-b)=87

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Solution for 5-(-b)=87 equation: 


Simplifying
5 + -1(-1b) = 87

Remove parenthesis around (-1b)
5 + -1 * -1b = 87

Multiply -1 * -1
5 + 1b = 87

Solving
5 + 1b = 87

Solving for variable 'b'.

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

Add '-5' to each side of the equation.
5 + -5 + 1b = 87 + -5

Combine like terms: 5 + -5 = 0
0 + 1b = 87 + -5
1b = 87 + -5

Combine like terms: 87 + -5 = 82
1b = 82

Divide each side by '1'.
b = 82

Simplifying
b = 82

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