0.4b+6=15

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Solution for 0.4b+6=15 equation: 


Simplifying
0.4b + 6 = 15

Reorder the terms:
6 + 0.4b = 15

Solving
6 + 0.4b = 15

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 + 0.4b = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 0.4b = 15 + -6
0.4b = 15 + -6

Combine like terms: 15 + -6 = 9
0.4b = 9

Divide each side by '0.4'.
b = 22.5

Simplifying
b = 22.5

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