b-2+4b=30

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Solution for b-2+4b=30 equation: 


Simplifying
b + -2 + 4b = 30

Reorder the terms:
-2 + b + 4b = 30

Combine like terms: b + 4b = 5b
-2 + 5b = 30

Solving
-2 + 5b = 30

Solving for variable 'b'.

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

Add '2' to each side of the equation.
-2 + 2 + 5b = 30 + 2

Combine like terms: -2 + 2 = 0
0 + 5b = 30 + 2
5b = 30 + 2

Combine like terms: 30 + 2 = 32
5b = 32

Divide each side by '5'.
b = 6.4

Simplifying
b = 6.4

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