Question

Solve for r.
4r – 39 > -43
AND 8x + 31 < 23

Answer 1

`4r-39>-43`

`4r-39+39>-43+39`

`4r>-4`

`(4r)/(4)>(-4)/(4)`

`\boxed{r>-1}`

______________________

`8x+31<23`

`8x+31-31<23-31`

`8x<-8`

`(8x)/(8)<(-8)/(8)`

`\boxed{x<-1}`