-12=28-4b

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Solution for -12=28-4b equation:


Simplifying
-12 = 28 + -4b

Solving
-12 = 28 + -4b

Solving for variable 'b'.

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

Add '4b' to each side of the equation.
-12 + 4b = 28 + -4b + 4b

Combine like terms: -4b + 4b = 0
-12 + 4b = 28 + 0
-12 + 4b = 28

Add '12' to each side of the equation.
-12 + 12 + 4b = 28 + 12

Combine like terms: -12 + 12 = 0
0 + 4b = 28 + 12
4b = 28 + 12

Combine like terms: 28 + 12 = 40
4b = 40

Divide each side by '4'.
b = 10

Simplifying
b = 10

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