Question

Find two numbers with a sum of –30 and a difference of 8.

Answer 1

X+Y= -30

X-Y = 8

Answer 2

A) –20 and –12
B) –18 and –10
C) 19 and 11
D) –19 and –11 ??

Answer 3

try plugging in

for example
X+Y= -30
or
-20+(-12)=--20-12=-32

so we know right there the answer cant be A) -20 and -12

Answer 4

oooooh okay. It would be D. !!!! (:

Answer 5

yep

Answer 6

Thank you!