9b+13=15b-5

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Solution for 9b+13=15b-5 equation:


Simplifying
9b + 13 = 15b + -5

Reorder the terms:
13 + 9b = 15b + -5

Reorder the terms:
13 + 9b = -5 + 15b

Solving
13 + 9b = -5 + 15b

Solving for variable 'b'.

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

Add '-15b' to each side of the equation.
13 + 9b + -15b = -5 + 15b + -15b

Combine like terms: 9b + -15b = -6b
13 + -6b = -5 + 15b + -15b

Combine like terms: 15b + -15b = 0
13 + -6b = -5 + 0
13 + -6b = -5

Add '-13' to each side of the equation.
13 + -13 + -6b = -5 + -13

Combine like terms: 13 + -13 = 0
0 + -6b = -5 + -13
-6b = -5 + -13

Combine like terms: -5 + -13 = -18
-6b = -18

Divide each side by '-6'.
b = 3

Simplifying
b = 3

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