7b-90=b

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Solution for 7b-90=b equation:


Simplifying
7b + -90 = b

Reorder the terms:
-90 + 7b = b

Solving
-90 + 7b = b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-90 + 7b + -1b = b + -1b

Combine like terms: 7b + -1b = 6b
-90 + 6b = b + -1b

Combine like terms: b + -1b = 0
-90 + 6b = 0

Add '90' to each side of the equation.
-90 + 90 + 6b = 0 + 90

Combine like terms: -90 + 90 = 0
0 + 6b = 0 + 90
6b = 0 + 90

Combine like terms: 0 + 90 = 90
6b = 90

Divide each side by '6'.
b = 15

Simplifying
b = 15

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