7b+13=90

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Solution for 7b+13=90 equation: 


Simplifying
7b + 13 = 90

Reorder the terms:
13 + 7b = 90

Solving
13 + 7b = 90

Solving for variable 'b'.

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

Add '-13' to each side of the equation.
13 + -13 + 7b = 90 + -13

Combine like terms: 13 + -13 = 0
0 + 7b = 90 + -13
7b = 90 + -13

Combine like terms: 90 + -13 = 77
7b = 77

Divide each side by '7'.
b = 11

Simplifying
b = 11

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