Question

verify the substitution that the root of 3x + 4 = 13 is 3

Answer 1

Answer:

3x + 4 = 13

3x = 13-4

3x = 9

x = 3

Then,

3x +4=13

3*3+4=13

9+4=13

13=13

L. H. S = R. H. S

Answer 2

Answer:

3x+4=13 and here x=3

Step-by-step explanation:

    3x+4=13

or, 3x=13-4

or, 3x=9

or, x=9/3

or, x=3