ZNAJDŹ liczbę odpowiadająco x
-3x=2x-10
-3x-2x=-10
-5x=-10 /(-5)
x=2
-5x=-10 /-5
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-3x=2x-10
-3x-2x=-10
-5x=-10 /(-5)
x=2
-3x=2x-10
-3x-2x=-10
-5x=-10 /-5
x=2