Question

Find the Mistake: provided below is a solution to the equation 3x − 8 = 2x + 12. Choose the statement that is true about the given solution.
Line # 3x − 8 = 2x + 12
1 3x = 2x + 20
2 5x = 20
3 x = 4
The entire solution is correct.

The provided solution is wrong. There is a mistake in Line #1.

The provided solution is wrong. There is a mistake in Line #2.

The provided solution is wrong. There is a mistake in Line #3.

Answer 1

The first line. Always isolate the x on a set side before continuing.

Answer 2

x = 20