2b-5=8

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Solution for 2b-5=8 equation: 


Simplifying
2b + -5 = 8

Reorder the terms:
-5 + 2b = 8

Solving
-5 + 2b = 8

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + 2b = 8 + 5

Combine like terms: -5 + 5 = 0
0 + 2b = 8 + 5
2b = 8 + 5

Combine like terms: 8 + 5 = 13
2b = 13

Divide each side by '2'.
b = 6.5

Simplifying
b = 6.5

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