rozwiąż równanie:
4x-9=x+12
plissssssss
4x - 9 = x + 12
4x - x = 12 + 9
3x = 21
x = 21 : 3
x = 7
4x-9=x+12/-x
3x-9=12/+9
3x=21/3
x=7
Myśle ze pomoglem licze na naj i pozdrawiam :)
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4x - 9 = x + 12
4x - x = 12 + 9
3x = 21
x = 21 : 3
x = 7
4x-9=x+12/-x
3x-9=12/+9
3x=21/3
x=7
Myśle ze pomoglem licze na naj i pozdrawiam :)