11=3(b+20)-4

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Solution for 11=3(b+20)-4 equation: 


Simplifying
11 = 3(b + 20) + -4

Reorder the terms:
11 = 3(20 + b) + -4
11 = (20 * 3 + b * 3) + -4
11 = (60 + 3b) + -4

Reorder the terms:
11 = 60 + -4 + 3b

Combine like terms: 60 + -4 = 56
11 = 56 + 3b

Solving
11 = 56 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
11 + -3b = 56 + 3b + -3b

Combine like terms: 3b + -3b = 0
11 + -3b = 56 + 0
11 + -3b = 56

Add '-11' to each side of the equation.
11 + -11 + -3b = 56 + -11

Combine like terms: 11 + -11 = 0
0 + -3b = 56 + -11
-3b = 56 + -11

Combine like terms: 56 + -11 = 45
-3b = 45

Divide each side by '-3'.
b = -15

Simplifying
b = -15

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