Question

2x + 1 =5
What does x=

Answer 1

2

Explanation:

2x + 1 =5

2x=4

x=2

Answer 2

First isolate the term containing x which is 2x.

Subtract 1 from both sides to get 2x = 4.

Since x is being multiplied by 2, divide both sides by 2 and we have x = 2.