Answer:
x = -4
Step-by-step explanation:
[tex]3=\frac{4x+31}{5}[/tex]
[tex]15=4x+31[/tex]
[tex]-16=4x[/tex]
[tex]x=\frac{-16}{4}[/tex]
[tex]x=-4[/tex]
3 = (4x + 31) / 5
5 x 3 = 5(4x + 31)
15 = 4x + 31
15 - 31 = 4x + (31 - 31)
-16 = 4x
-16/4 = 4x/4
