Proszę o pomoc:
3*25-5 +10-9x=7
75-5+10-9x = 7
-9x = 7-75+5-10
-9x = -73 /:(-9)
x = 73/9
x = 8 1/9
3*25-5+10-9x=7
75-5+10-9x=7
70+10-9x=7
80-9x=7
-9x=7-80
-9x=-73 /:(-9)
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3*25-5 +10-9x=7
75-5+10-9x = 7
-9x = 7-75+5-10
-9x = -73 /:(-9)
x = 73/9
x = 8 1/9
3*25-5+10-9x=7
75-5+10-9x=7
70+10-9x=7
80-9x=7
-9x=7-80
-9x=-73 /:(-9)