Cuantos es 1.3b+7.8-3.2b

1.3b+7.8-3.2b

1.3b-3.2b+7.8

-1.9b+7.8

Simplifying

1.3b + 7.8 + - 3.2b = 0

Reorder the terms:

7.8 + 1.3b + - 3.2b = 0

Combine like terms: 1.3b + - 3.2b = - 1.9b

7.8 + - 1.9b = 0

Solving

7.8 + - 1.9b = 0

Solving for variable 'b'.

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

Add '-7.8' to each side of the equation.

7.8 + - 7.8 + - 1.9b = 0 + - 7.8

Combine like terms: 7.8 + - 7.8 = 0.0

0.0 + - 1.9b = 0 + - 7.8

-1.9b = 0 + - 7.8

Combine like terms: 0 + - 7.8 = - 7.8

-1.9b = - 7.8

Divide each side by '-1.9'.

b = 4.105263158

Simplifying

b = 4.105263158