3(2х+5)+6=3

Solve for x:

• 3(2x+5) + 6 = 3
• Distribute: 6x + 15 + 6 = 3
• Combine: 6x + 21 = 3
• Subtract 21: 6x = -18
• Divide by 6: x = -3

Check: 3(2(-3)+5)+6 = 3(-6+5)+6 = 3(-1)+6 = -3+6 = 3 ✓

Final answer: x = -3.