Question

Bob spent x amount on food. Bill spent x+20, and John spent 3x-2. If bill and John spent the same amount of money, how much dud bob spend?​

Answer 1

`\\ \sf\longmapsto x+20=3x-2`

`\\ \sf\longmapsto 3x-x=20+2`

`\\ \sf\longmapsto 2x=20`

`\\ \sf\longmapsto x=10`

Bob spent 10$