4b+15=9b

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Solution for 4b+15=9b equation:


Simplifying
4b + 15 = 9b

Reorder the terms:
15 + 4b = 9b

Solving
15 + 4b = 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
15 + 4b + -9b = 9b + -9b

Combine like terms: 4b + -9b = -5b
15 + -5b = 9b + -9b

Combine like terms: 9b + -9b = 0
15 + -5b = 0

Add '-15' to each side of the equation.
15 + -15 + -5b = 0 + -15

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

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

Divide each side by '-5'.
b = 3

Simplifying
b = 3

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