Question

two fifths of a number equals-24 find the number

Answer 1

2/5 *x=-24

x=unknown number

2/5x=-24

Multiply both sides by 5/2

2/5(5/2)x=-24(5/2)

Cross out 2/5 and 5/2, divide by 5 and 2 . Then becomes x.

Cross out  -24 and 2, divide by 12.

-12*5=x

x=-60

Answer: x=-60