Question

ajutatima va rog, trebuie operatia in versa!
dau coroana
3•(x-7)=129
5•(x+9)=175
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Answer 1

Răspuns:

1. 3•(x-7)=129

3•x=129+7=136

x=136:3=sugi

Answer 2

Răspuns:

x-7=129:3

x-7=43

x=43-7

x=36

x+9=175:5

x+9=35

x=35-9

x=26

Sper ca te.am ajutat, spor! :)