Below is a series of steps Mel took to solve an equation. She got the wrong answer. Find Mel's mistake. Then, use order of operations and solve for x.

Question

asked May 10, 2021 6.3k views

2 Answers

Junfeng · Answer 1 · 2021-05-16T15:27:14+0000

Answer: x = 9

Mel's mistake was in the last step, she multiplied by 2 instead of dividing by 2

Explanation:

2x + 1 = 19

Subtract 1 from each side

2x = 18

Divide by 2

x = 9