Question

реши уравнения
1) x+20=34+16 2) 80-y=12+8

Answer 1

1)x=34+16-20
x=30
2)-y=12+8-80
-y=-60
y=60

Answer 2

1)x=34+16-20; x=30;
2)-y=12+8-80; y=60.