Question

what must be added to ‐213 to get ‐312​

Answer 1

-213+x=-312
x=-312+213
x=-99

Answer 2

• Answer:

n = - 99

• Step-by-step explanation:

- 213 + n = - 312

n = - 312 + 213

n = - (312 - 213)

n = - 99