2b+11=15

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Solution for 2b+11=15 equation: 


Simplifying
2b + 11 = 15

Reorder the terms:
11 + 2b = 15

Solving
11 + 2b = 15

Solving for variable 'b'.

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

Add '-11' to each side of the equation.
11 + -11 + 2b = 15 + -11

Combine like terms: 11 + -11 = 0
0 + 2b = 15 + -11
2b = 15 + -11

Combine like terms: 15 + -11 = 4
2b = 4

Divide each side by '2'.
b = 2

Simplifying
b = 2

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