7b-20=8b

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Solution for 7b-20=8b equation:


Simplifying
7b + -20 = 8b

Reorder the terms:
-20 + 7b = 8b

Solving
-20 + 7b = 8b

Solving for variable 'b'.

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

Add '-8b' to each side of the equation.
-20 + 7b + -8b = 8b + -8b

Combine like terms: 7b + -8b = -1b
-20 + -1b = 8b + -8b

Combine like terms: 8b + -8b = 0
-20 + -1b = 0

Add '20' to each side of the equation.
-20 + 20 + -1b = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -1b = 0 + 20
-1b = 0 + 20

Combine like terms: 0 + 20 = 20
-1b = 20

Divide each side by '-1'.
b = -20

Simplifying
b = -20

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