Question

5 times a certain number plus 6 has the same value as two times the same number minus 3 what is the number​

Answer 1

Let the number be x

ATQ

`\\ \sf\longmapsto 5x+6=2x-3`

`\\ \sf\longmapsto 5x-2x=-3-6`

`\\ \sf\longmapsto 3x=-9`

`\\ \sf\longmapsto x=(-9)/(3)`

`\\ \sf\longmapsto x=-3`