4(b-3)=20

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


Simplifying
4(b + -3) = 20

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

Solving
-12 + 4b = 20

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 + 4b = 20 + 12

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

Combine like terms: 20 + 12 = 32
4b = 32

Divide each side by '4'.
b = 8

Simplifying
b = 8

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