Question

Type the integer that makes the following addition sentence true: -3 + = -11

Answer 1

It'd be clearer if you'd type   -3 + (     ) = -11.    Adding 3 to both sides, 

(     ) = -11 + 3 = -8

Check:  Is -3 - 8 = -11?  YES

Answer 2

An integer that would work is 14 so -3 + 14 = -11