13b-4=20+9b+20

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Solution for 13b-4=20+9b+20 equation:


Simplifying
13b + -4 = 20 + 9b + 20

Reorder the terms:
-4 + 13b = 20 + 9b + 20

Reorder the terms:
-4 + 13b = 20 + 20 + 9b

Combine like terms: 20 + 20 = 40
-4 + 13b = 40 + 9b

Solving
-4 + 13b = 40 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-4 + 13b + -9b = 40 + 9b + -9b

Combine like terms: 13b + -9b = 4b
-4 + 4b = 40 + 9b + -9b

Combine like terms: 9b + -9b = 0
-4 + 4b = 40 + 0
-4 + 4b = 40

Add '4' to each side of the equation.
-4 + 4 + 4b = 40 + 4

Combine like terms: -4 + 4 = 0
0 + 4b = 40 + 4
4b = 40 + 4

Combine like terms: 40 + 4 = 44
4b = 44

Divide each side by '4'.
b = 11

Simplifying
b = 11

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