Answer:
x = 15
Step-by-step explanation:
Step 1: Distribute
3x - 5(x) - 5(2) = -40
3x - 5x - 10 = -40
Step 2: Combine like terms
-2x - 10 = -40
Step 3: Add 10 to both sides
-2x - 10 + 10 = -40 + 10
Step 4: Divide both side by -2
-2x / -2 = -30 / -2
x = 15
