Question

If 5 is added to a number the sum is multiplied by 7.then the product becomes 126. find the number

Answer 1

(5 + x) ×7 = 126

5+X= 126/7

5+X=18

X=18-5

X=13

thus the number is 13

Answer 2

Answer:

(x+5) 7=126

7x+35=126

7x=91

x=13