Question

Pls help on the top question

Answer 1

`(55)/(4)`

Explanation:

let the number be n the multiply by - 4 is - 4n and add 5 gives

- 4n + 5 = - 50 ( subtract 5 from both sides )

- 4n = - 55 ( divide both sides by - 4 )

n =
`(-55)/(-4)` =
`(55)/(4)`

The number is
`(55)/(4)` or 13.75 if you prefer

Answer 2

-13=5×1+5×4m-2m

-13=5+20m-2m

-13-5=18m

-18=18m

18m=-18

m=18÷18

m=1