b-3+4b=20

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Solution for b-3+4b=20 equation: 


Simplifying
b + -3 + 4b = 20

Reorder the terms:
-3 + b + 4b = 20

Combine like terms: b + 4b = 5b
-3 + 5b = 20

Solving
-3 + 5b = 20

Solving for variable 'b'.

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

Add '3' to each side of the equation.
-3 + 3 + 5b = 20 + 3

Combine like terms: -3 + 3 = 0
0 + 5b = 20 + 3
5b = 20 + 3

Combine like terms: 20 + 3 = 23
5b = 23

Divide each side by '5'.
b = 4.6

Simplifying
b = 4.6

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