Question

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
x =

Answer 1

Answer: The correct answer is 4.7

Step-by-step explanation: EDGE 2022

Answer 2

`0.4x+3.9=5.78` ⇒ subtracting 3.9 form both sides


`0.4x+3.9-3.9=5.78-3.9`


`0.4x=1.88` ⇒ Divide both sides by 0.4


`(0.4x)/(0.4)= (1.88)/(0.4)`


`x=4.7`