-3B+2.5=4

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Solution for -3B+2.5=4 equation: 


Simplifying
-3B + 2.5 = 4

Reorder the terms:
2.5 + -3B = 4

Solving
2.5 + -3B = 4

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 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -3B = 4 + -2.5
-3B = 4 + -2.5

Combine like terms: 4 + -2.5 = 1.5
-3B = 1.5

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

Simplifying
B = -0.5

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