3b+15=b+27

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Solution for 3b+15=b+27 equation:


Simplifying
3b + 15 = b + 27

Reorder the terms:
15 + 3b = b + 27

Reorder the terms:
15 + 3b = 27 + b

Solving
15 + 3b = 27 + 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.
15 + 3b + -1b = 27 + b + -1b

Combine like terms: 3b + -1b = 2b
15 + 2b = 27 + b + -1b

Combine like terms: b + -1b = 0
15 + 2b = 27 + 0
15 + 2b = 27

Add '-15' to each side of the equation.
15 + -15 + 2b = 27 + -15

Combine like terms: 15 + -15 = 0
0 + 2b = 27 + -15
2b = 27 + -15

Combine like terms: 27 + -15 = 12
2b = 12

Divide each side by '2'.
b = 6

Simplifying
b = 6

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