What is the answer for number 7

Answer:
x = -35
Step-by-step explanation:
add 3 to both sides.
[tex]\frac{2}{5}[/tex]x - 3 + 3 = -17 + 3
[tex]\frac{2}{5}[/tex]x = -14
multiply both sides by [tex]\frac{5}{2}[/tex].
([tex]\frac{5}{2}[/tex]) · ([tex]\frac{2}{5}[/tex]x) = ([tex]\frac{5}{2}[/tex]) · (-14)
x = -35