Find the value of the variable using these steps.

0.4x + 3.9 = 5.78

1. Subtraction property of equality

2. Division property of equality

Respuesta :

Answer:mean you have to switch define

1. Subtraction property of equality

2. Division property of equality

Step-by-step explanation:

Step-by-step explanation:

0.4x+3.9=5.78

0.4x=5.78-3.9

0.4x=1.88

x=1.88

0.4

x=4.7 ans

hope u want this.