-9b+8+7b=-3b+13

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Solution for -9b+8+7b=-3b+13 equation: 


Simplifying
-9b + 8 + 7b = -3b + 13

Reorder the terms:
8 + -9b + 7b = -3b + 13

Combine like terms: -9b + 7b = -2b
8 + -2b = -3b + 13

Reorder the terms:
8 + -2b = 13 + -3b

Solving
8 + -2b = 13 + -3b

Solving for variable 'b'.

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

Add '3b' to each side of the equation.
8 + -2b + 3b = 13 + -3b + 3b

Combine like terms: -2b + 3b = 1b
8 + 1b = 13 + -3b + 3b

Combine like terms: -3b + 3b = 0
8 + 1b = 13 + 0
8 + 1b = 13

Add '-8' to each side of the equation.
8 + -8 + 1b = 13 + -8

Combine like terms: 8 + -8 = 0
0 + 1b = 13 + -8
1b = 13 + -8

Combine like terms: 13 + -8 = 5
1b = 5

Divide each side by '1'.
b = 5

Simplifying
b = 5

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