-3b+2.5=4.0

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Solution for -3b+2.5=4.0 equation: 


Simplifying
-3b + 2.5 = 4.0

Reorder the terms:
2.5 + -3b = 4.0

Solving
2.5 + -3b = 4.0

Solving for variable 'b'.

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

Add '-2.5' to each side of the equation.
2.5 + -2.5 + -3b = 4.0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -3b = 4.0 + -2.5
-3b = 4.0 + -2.5

Combine like terms: 4.0 + -2.5 = 1.5
-3b = 1.5

Divide each side by '-3'.
b = -0.5

Simplifying
b = -0.5

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