7b-15=69

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Solution for 7b-15=69 equation: 


Simplifying
7b + -15 = 69

Reorder the terms:
-15 + 7b = 69

Solving
-15 + 7b = 69

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 7b = 69 + 15

Combine like terms: -15 + 15 = 0
0 + 7b = 69 + 15
7b = 69 + 15

Combine like terms: 69 + 15 = 84
7b = 84

Divide each side by '7'.
b = 12

Simplifying
b = 12

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