3b+4=b+12

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Solution for 3b+4=b+12 equation:


Simplifying
3b + 4 = b + 12

Reorder the terms:
4 + 3b = b + 12

Reorder the terms:
4 + 3b = 12 + b

Solving
4 + 3b = 12 + 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.
4 + 3b + -1b = 12 + b + -1b

Combine like terms: 3b + -1b = 2b
4 + 2b = 12 + b + -1b

Combine like terms: b + -1b = 0
4 + 2b = 12 + 0
4 + 2b = 12

Add '-4' to each side of the equation.
4 + -4 + 2b = 12 + -4

Combine like terms: 4 + -4 = 0
0 + 2b = 12 + -4
2b = 12 + -4

Combine like terms: 12 + -4 = 8
2b = 8

Divide each side by '2'.
b = 4

Simplifying
b = 4

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