Question

-7+х=13 х+ (-9) = -4 х+(-15)=10 8+х=-12 -6+х=5 х+(-14)=-8

Answer 1

-7+х=13
х=13+7=20

х+(-9)=-4
х=-4+9=5

х+(-15)=10
х=10+15=15

8+х=-12
х=-12-8=-20

-6+х=5
х=5+6=11


х+(-14)=-8
х-8+14=6