9b-5b-7=25

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Solution for 9b-5b-7=25 equation: 


Simplifying
9b + -5b + -7 = 25

Reorder the terms:
-7 + 9b + -5b = 25

Combine like terms: 9b + -5b = 4b
-7 + 4b = 25

Solving
-7 + 4b = 25

Solving for variable 'b'.

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

Add '7' to each side of the equation.
-7 + 7 + 4b = 25 + 7

Combine like terms: -7 + 7 = 0
0 + 4b = 25 + 7
4b = 25 + 7

Combine like terms: 25 + 7 = 32
4b = 32

Divide each side by '4'.
b = 8

Simplifying
b = 8

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