Answer:
[tex]22[/tex]
Step-by-step explanation:
[tex]\frac{0.4x-2.8}{4} = 1.5\\[/tex]
[tex]0.4x - 2.8 = 6[/tex]
[tex]0.4x = 8.8[/tex]
[tex]x = 22[/tex]
[tex]\therefore[/tex] the value of [tex]x[/tex] is [tex]22[/tex]
Hope this helps :)
