Question

what should be subtracted from -4÷5 to get 1

Answer 1

+9-4=5 and5/5=1 hence +9 should be subtracted

Answer 2

Let x be the number that must be subtracted from -4/5 to get 1.

$\frac{ - 4}{5} - x = 1 \\ - x = 1 - ( \frac{ - 4}{5} ) \\ - x = 1 + \frac{4}{5} \\ - x = \frac{9}{5} \\ x = \frac{9}{5}$
Hope it helps uhh❤❤❤