7b-20=2b+20

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Solution for 7b-20=2b+20 equation:


Simplifying
7b + -20 = 2b + 20

Reorder the terms:
-20 + 7b = 2b + 20

Reorder the terms:
-20 + 7b = 20 + 2b

Solving
-20 + 7b = 20 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-20 + 7b + -2b = 20 + 2b + -2b

Combine like terms: 7b + -2b = 5b
-20 + 5b = 20 + 2b + -2b

Combine like terms: 2b + -2b = 0
-20 + 5b = 20 + 0
-20 + 5b = 20

Add '20' to each side of the equation.
-20 + 20 + 5b = 20 + 20

Combine like terms: -20 + 20 = 0
0 + 5b = 20 + 20
5b = 20 + 20

Combine like terms: 20 + 20 = 40
5b = 40

Divide each side by '5'.
b = 8

Simplifying
b = 8

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