Question

find the value of x in each of the following 3x +4 = 25

Answer 1

Answer:

or, 3x=25-4

or, 3x=21

or, x=21 ÷3

or, x =7

so, the value of x is 7

Answer 2

7 because 25- 4 = 21 and 3 x 7 = 21