20=12+2b

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Solution for 20=12+2b equation:


Simplifying
20 = 12 + 2b

Solving
20 = 12 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
20 + -2b = 12 + 2b + -2b

Combine like terms: 2b + -2b = 0
20 + -2b = 12 + 0
20 + -2b = 12

Add '-20' to each side of the equation.
20 + -20 + -2b = 12 + -20

Combine like terms: 20 + -20 = 0
0 + -2b = 12 + -20
-2b = 12 + -20

Combine like terms: 12 + -20 = -8
-2b = -8

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

Simplifying
b = 4

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