12.5b+30=80

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Solution for 12.5b+30=80 equation: 


Simplifying
12.5b + 30 = 80

Reorder the terms:
30 + 12.5b = 80

Solving
30 + 12.5b = 80

Solving for variable 'b'.

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

Add '-30' to each side of the equation.
30 + -30 + 12.5b = 80 + -30

Combine like terms: 30 + -30 = 0
0 + 12.5b = 80 + -30
12.5b = 80 + -30

Combine like terms: 80 + -30 = 50
12.5b = 50

Divide each side by '12.5'.
b = 4

Simplifying
b = 4

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