20=4(b+3)

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Solution for 20=4(b+3) equation: 


Simplifying
20 = 4(b + 3)

Reorder the terms:
20 = 4(3 + b)
20 = (3 * 4 + b * 4)
20 = (12 + 4b)

Solving
20 = 12 + 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.
20 + -4b = 12 + 4b + -4b

Combine like terms: 4b + -4b = 0
20 + -4b = 12 + 0
20 + -4b = 12

Add '-20' to each side of the equation.
20 + -20 + -4b = 12 + -20

Combine like terms: 20 + -20 = 0
0 + -4b = 12 + -20
-4b = 12 + -20

Combine like terms: 12 + -20 = -8
-4b = -8

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

Simplifying
b = 2

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