Question

Solve the following inequality.
2x+1<9

Answer 1

x<4, (-infinite, 4)

Explanation:

2x+1<9

2x<9-1

2x<8

(2x<8) / 2

x<4

Answer 2

x<4

Explanation:

Let's solve your inequality step-by-step.

2x+1<9

Step 1: Subtract 1 from both sides.

2x+1−1<9−1

2x<8

Step 2: Divide both sides by 2.

2x

2

<

8

2

x<4

Hopefully that helped