Please help me! UwU please

Answer:
5ₓ + 3ₓ + 9ₓ = -68
Step-by-step explanation:
5ₓ + 3ₓ + 9ₓ = -68
5 + 3 + 9 = 17
17 × ₓ = -68
-68 ÷ 17 = -4
17 × -4 = -68
ₓ = -4
<3 Enjoy,
Dea