3b+15=9b+3

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


Simplifying
3b + 15 = 9b + 3

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

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

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

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

Combine like terms: 9b + -9b = 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 = -12
-6b = -12

Divide each side by '-6'.
b = 2

Simplifying
b = 2

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