2b+5+7b-7=25

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Solution for 2b+5+7b-7=25 equation:


Simplifying
2b + 5 + 7b + -7 = 25

Reorder the terms:
5 + -7 + 2b + 7b = 25

Combine like terms: 5 + -7 = -2
-2 + 2b + 7b = 25

Combine like terms: 2b + 7b = 9b
-2 + 9b = 25

Solving
-2 + 9b = 25

Solving for variable 'b'.

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

Add '2' to each side of the equation.
-2 + 2 + 9b = 25 + 2

Combine like terms: -2 + 2 = 0
0 + 9b = 25 + 2
9b = 25 + 2

Combine like terms: 25 + 2 = 27
9b = 27

Divide each side by '9'.
b = 3

Simplifying
b = 3

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