.5b+.4b-5=-3

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Solution for .5b+.4b-5=-3 equation:


Simplifying
0.5b + 0.4b + -5 = -3

Reorder the terms:
-5 + 0.5b + 0.4b = -3

Combine like terms: 0.5b + 0.4b = 0.9b
-5 + 0.9b = -3

Solving
-5 + 0.9b = -3

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + 0.9b = -3 + 5

Combine like terms: -5 + 5 = 0
0 + 0.9b = -3 + 5
0.9b = -3 + 5

Combine like terms: -3 + 5 = 2
0.9b = 2

Divide each side by '0.9'.
b = 2.222222222

Simplifying
b = 2.222222222

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