4x+8=2x-15

Solve 4x + 8 = 2x − 15.

• Subtract 2x from both sides: 2x + 8 = −15
• Subtract 8: 2x = −23
• Divide by 2: x = −23/2 = −11.5

Check: Left = 4(−23/2) + 8 = −46 + 8 = −38 Right = 2(−23/2) − 15 = −23 − 15 = −38

Solution: x = −23/2 (or −11.5).