Question

a number is multiplied by 3 and 7 is added to it to get the result of 25 find the number

Answer 1

Let x be the number.

3x + 7 = 25

3x = 18

x = 18/3

x = 6

Answer 2

let the number x

multiply by 3 = 3x

and 7 is added = 3x+7

given result = 25

3x+7=25

3x = 25 -7

x= 18/3

x = 6.

hence number is 6.

verification = 6x3+7 = 25.

hope it helps you