b+7+2b=28

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Solution for b+7+2b=28 equation: 


Simplifying
b + 7 + 2b = 28

Reorder the terms:
7 + b + 2b = 28

Combine like terms: b + 2b = 3b
7 + 3b = 28

Solving
7 + 3b = 28

Solving for variable 'b'.

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

Add '-7' to each side of the equation.
7 + -7 + 3b = 28 + -7

Combine like terms: 7 + -7 = 0
0 + 3b = 28 + -7
3b = 28 + -7

Combine like terms: 28 + -7 = 21
3b = 21

Divide each side by '3'.
b = 7

Simplifying
b = 7

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