80-x,60+x=90,x-8=10,x+8=18, y-3=7, 50-x=40, y-8=2, x+3=13

Question

80-x,60+x=90,x-8=10,x+8=18, y-3=7, 50-x=40, y-8=2, x+3=13

Comments

60+x=90

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x=30

Answer 1

60+×=90
×=90-60
×=30
60+30=90


×-8=10
×=10+8
×=18
18-8=10

у-3=7
у=7+3
у=10
10-3=7

50-×=40
×=50-40
×=10
50-10=40

у-8=2
у=2+8
у=10
10-8=2


×+3=13
×=13-3
×=10
10+3=13

Answer 2

30,18,10,10,10,10,10.