9-5(8+3x)=13

Solve the equation: 9 - 5(8 + 3x) = 13

• Expand: 9 - 40 - 15x = 13
• Combine constants: -31 - 15x = 13
• Add 31: -15x = 44
• Divide by -15: x = -44/15 ≈ -2.9333

Check: 9 - 5(8 + 3(-44/15)) = 9 - 5(8 - 44/5) = 9 - 5(-4/5) = 9 + 4 = 13, so it checks.

Answer: x = -44/15.