9b-15=3+3b

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Solution for 9b-15=3+3b equation:


Simplifying
9b + -15 = 3 + 3b

Reorder the terms:
-15 + 9b = 3 + 3b

Solving
-15 + 9b = 3 + 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.
-15 + 9b + -3b = 3 + 3b + -3b

Combine like terms: 9b + -3b = 6b
-15 + 6b = 3 + 3b + -3b

Combine like terms: 3b + -3b = 0
-15 + 6b = 3 + 0
-15 + 6b = 3

Add '15' to each side of the equation.
-15 + 15 + 6b = 3 + 15

Combine like terms: -15 + 15 = 0
0 + 6b = 3 + 15
6b = 3 + 15

Combine like terms: 3 + 15 = 18
6b = 18

Divide each side by '6'.
b = 3

Simplifying
b = 3

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