Step-by-step explanation:

i) let no. be x

∴ x + 34 = 86

ii) let no. be x

∴ 2x = 40

iii) let no. be x

∴ x/2 = 16

iv) let romi's age be x

∴ 5x = 100 years

v) let that no. be x

∴ 8x + 2 = 60

Hope it will beneficial to you.....!

Thank You :)