Question

Solve the exercise : 2x + 5 = 13

Answer 1

Answer: the answer is 4

Explanation:

first you have to cancel out the 5 so you subtract 5 and you have to do that on both sides so then you subtract 5 from 13 which is 8 and then your left with 2x=8 and from their you just divide 8 by 2 which is 4 :)

Answer 2

2x+5=13

2x+5-5=13-5

2x=8

Divide by 2

2x/2=8/2

x=4

Check answer:

By using substitution method

2x+5=13

2(4)+5=13

8+5=13

13=13

Answer is x=4