Question

what must be subtraction from -2 to get -7​

Answer 1

Answer:

-5

-2 cant be subtracted to get -7

it needs to be added with a number of the same sign

-2(+)-5=-7

Answer 2

Step-by-step explanation:

question: what must be subtracted from -2 to get -7.

solution:

let the unknown number be x.

by the question, we have

$- 2 - x = - 7 \\ = - x = - 7 + 2 \\ = - x = - 5 \\ x = 5$