12-2b=4

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Solution for 12-2b=4 equation: 


Simplifying
12 + -2b = 4

Solving
12 + -2b = 4

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + -2b = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -2b = 4 + -12
-2b = 4 + -12

Combine like terms: 4 + -12 = -8
-2b = -8

Divide each side by '-2'.
b = 4

Simplifying
b = 4

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