x+x+x*2+x*2=48

Solve using order of operations.

• x + x + x2 + x2
• = x + x + 2x + 2x
• = (1+1+2+2)x = 6x

Set equal to 48:

• 6x = 48
• x = 48 / 6 = 8

Check: 8 + 8 + 82 + 82 = 8+8+16+16 = 48. Yes.

Answer: x = 8.