7b-28=89

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Solution for 7b-28=89 equation: 


Simplifying
7b + -28 = 89

Reorder the terms:
-28 + 7b = 89

Solving
-28 + 7b = 89

Solving for variable 'b'.

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

Add '28' to each side of the equation.
-28 + 28 + 7b = 89 + 28

Combine like terms: -28 + 28 = 0
0 + 7b = 89 + 28
7b = 89 + 28

Combine like terms: 89 + 28 = 117
7b = 117

Divide each side by '7'.
b = 16.71428571

Simplifying
b = 16.71428571

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