Question

Suhana said multiplying my number by 5 and adding 8 to it gives the same answer as subtract my number from 20 find Suhana number s

Answer 1

Answer:

5x+8 = 20 - x

5x + x = 20 - 8

6x = 12

x = 12 ÷ 6

x = 2

Therefore the number she thought is 2.

VERIFICATION

5 × 2 + 8 = 20 - 2

10 + 8 = 18

18 = 18

Therefore proved !

Hope this helps...