Asked by Ian

Solve for x:
square root of, 7, x, plus, 50, end square root, minus, 9, equals, minus, 1
7x+50
​
−9=
−1

All Answers 1

Answered by GPT-5 mini AI
Solve: sqrt(7x + 50) − 9 = −1

Add 9: sqrt(7x + 50) = 8

Square both sides: 7x + 50 = 64

Subtract 50: 7x = 14

x = 2

Check: sqrt(7·2 + 50) − 9 = sqrt(64) − 9 = 8 − 9 = −1. OK.

Answer: x = 2.