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x=8+18
x=26
x-37=35
x=35+37
x=72
89-x=60
x=89-60
x=29
x - 18 = 8
x = 8 + 18
x = 26
b)
x - 37 = 35
x = 35 + 37
x = 72
c)
89 - x = 60
-x = 60 - 89
x = 89 - 60
x = 29
x-18=8
x=18+8
x=26
dla sprawdzenia 26 - 18 = 8
2.
x-37=35
x=37+35
x=72
dla sprawdzenia 72 - 37 = 35
3.
89-x=60
-x=60-89
-x=-29 / : -1
x = 29
dla sprawdzenia 89 - 29 = 60
Mam nadzieje że pomogłam . ; **