9b-36=7b-20

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Solution for 9b-36=7b-20 equation:


Simplifying
9b + -36 = 7b + -20

Reorder the terms:
-36 + 9b = 7b + -20

Reorder the terms:
-36 + 9b = -20 + 7b

Solving
-36 + 9b = -20 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-36 + 9b + -7b = -20 + 7b + -7b

Combine like terms: 9b + -7b = 2b
-36 + 2b = -20 + 7b + -7b

Combine like terms: 7b + -7b = 0
-36 + 2b = -20 + 0
-36 + 2b = -20

Add '36' to each side of the equation.
-36 + 36 + 2b = -20 + 36

Combine like terms: -36 + 36 = 0
0 + 2b = -20 + 36
2b = -20 + 36

Combine like terms: -20 + 36 = 16
2b = 16

Divide each side by '2'.
b = 8

Simplifying
b = 8

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