Answer :
Plug in all the numbers and do meth.
-8 + 12=5
5=5
So that works^^^
20-24=-6
-4=-6
Since -4 does not equal -6, the solution set is wrong for the second system.
-8 + 12=5
5=5
So that works^^^
20-24=-6
-4=-6
Since -4 does not equal -6, the solution set is wrong for the second system.