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2x = 10
x = 5
5x - 2 = 2
5x = 4
x = 0,8
40x - 5 = 35
40x = 40
x = 1
2x=7+3
2x=10 /:2
x=5
5x-2=2
5x-2=2
5x=4 /:5
x=0,8
40x-5=35
40x= 35 + 5
40x = 40
x = 1
Liczę na naj ;)
2x=7+3
2x=10/:2
x=5
5x-2=2
5x=2+2
5x=4/:5
x=4/5
x=0,8
40x-5=35
40x=35+5
40x=40/:40
x=1