-8=b-(-4)

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Solution for -8=b-(-4) equation:


Simplifying
-8 = b + -1(-4)

Multiply -1 * -4
-8 = b + 4

Reorder the terms:
-8 = 4 + b

Solving
-8 = 4 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-8 + -1b = 4 + b + -1b

Combine like terms: b + -1b = 0
-8 + -1b = 4 + 0
-8 + -1b = 4

Add '8' to each side of the equation.
-8 + 8 + -1b = 4 + 8

Combine like terms: -8 + 8 = 0
0 + -1b = 4 + 8
-1b = 4 + 8

Combine like terms: 4 + 8 = 12
-1b = 12

Divide each side by '-1'.
b = -12

Simplifying
b = -12

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