3b+3=b+15

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


Simplifying
3b + 3 = b + 15

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

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

Solving
3 + 3b = 15 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
3 + 3b + -1b = 15 + b + -1b

Combine like terms: 3b + -1b = 2b
3 + 2b = 15 + b + -1b

Combine like terms: b + -1b = 0
3 + 2b = 15 + 0
3 + 2b = 15

Add '-3' to each side of the equation.
3 + -3 + 2b = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 2b = 15 + -3
2b = 15 + -3

Combine like terms: 15 + -3 = 12
2b = 12

Divide each side by '2'.
b = 6

Simplifying
b = 6

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