Question

Find the value of the variable using these steps.

Answer 1

$0.4x+3.9=5.78$ ⇒ 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

$\frac{0.4x}{0.4}= \frac{1.88}{0.4}$

$x=4.7$

Answer 2

He is correct just took the test 4.7!!!!!!!!!!!