2b+4=b+15

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Solution for 2b+4=b+15 equation:


Simplifying
2b + 4 = b + 15

Reorder the terms:
4 + 2b = b + 15

Reorder the terms:
4 + 2b = 15 + b

Solving
4 + 2b = 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.
4 + 2b + -1b = 15 + b + -1b

Combine like terms: 2b + -1b = 1b
4 + 1b = 15 + b + -1b

Combine like terms: b + -1b = 0
4 + 1b = 15 + 0
4 + 1b = 15

Add '-4' to each side of the equation.
4 + -4 + 1b = 15 + -4

Combine like terms: 4 + -4 = 0
0 + 1b = 15 + -4
1b = 15 + -4

Combine like terms: 15 + -4 = 11
1b = 11

Divide each side by '1'.
b = 11

Simplifying
b = 11

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