Question

4)-6+х=-2
5) у+7=-13
6) х+11=-4

Answer 1

4) х=4
5) у=-20
6)х=-15

Answer 2

-6+х=-2
х=-2+6
х=4

у+7=-13
у=-13-7
у=-20

х+11=-4
х=-4-11
х=-15