12=4b-2

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Solution for 12=4b-2 equation:


Simplifying
12 = 4b + -2

Reorder the terms:
12 = -2 + 4b

Solving
12 = -2 + 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 = -2 + 4b + -4b

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

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

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

Combine like terms: -2 + -12 = -14
-4b = -14

Divide each side by '-4'.
b = 3.5

Simplifying
b = 3.5

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