Hello!
Answer:

Explanation:
→ We want to solve this equation:

◼ Add 1 to both sides:

◼ Simplify both sides:

◼ Subtract 0.6x from both sides:

◼ Simplify both sides:

◼ Divide both sides by 0.2:

◼ Simplify both sides:

Conclusion:
The solution of the equation 0.8x - 1 = 0.6x + 0.6 is 8.