3.5b+6=30.5

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Solution for 3.5b+6=30.5 equation: 


Simplifying
3.5b + 6 = 30.5

Reorder the terms:
6 + 3.5b = 30.5

Solving
6 + 3.5b = 30.5

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + 3.5b = 30.5 + -6

Combine like terms: 6 + -6 = 0
0 + 3.5b = 30.5 + -6
3.5b = 30.5 + -6

Combine like terms: 30.5 + -6 = 24.5
3.5b = 24.5

Divide each side by '3.5'.
b = 7

Simplifying
b = 7

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