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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 =

Respuesta :

merlynthewhizz
[tex]0.4x+3.9=5.78[/tex] ⇒ subtracting 3.9 form both sides

[tex]0.4x+3.9-3.9=5.78-3.9[/tex]

[tex]0.4x=1.88[/tex] ⇒ Divide both sides by 0.4

[tex] \frac{0.4x}{0.4}= \frac{1.88}{0.4} [/tex]

[tex]x=4.7[/tex]

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