2b+5b-1=27

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Solution for 2b+5b-1=27 equation: 


Simplifying
2b + 5b + -1 = 27

Reorder the terms:
-1 + 2b + 5b = 27

Combine like terms: 2b + 5b = 7b
-1 + 7b = 27

Solving
-1 + 7b = 27

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + 1 + 7b = 27 + 1

Combine like terms: -1 + 1 = 0
0 + 7b = 27 + 1
7b = 27 + 1

Combine like terms: 27 + 1 = 28
7b = 28

Divide each side by '7'.
b = 4

Simplifying
b = 4

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