-7(x-2)=3x-1 (ma wyjść x=1,5) tak pisze na końcu podręcznika
prosze o dokładne rozpisanie
-7(x-2) = 3x-1
-7x + 14 = 3x-1
-10x = -15
10x = 15
x = 15/10
x=1,5
-7(x-2)=3x-1
-7x+14=3x-1
-7x-3x=-1-14
-10x=-15 /:-10
x=15/10
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-7(x-2) = 3x-1
-7x + 14 = 3x-1
-10x = -15
10x = 15
x = 15/10
x=1,5
-7(x-2)=3x-1
-7x+14=3x-1
-7x-3x=-1-14
-10x=-15 /:-10
x=15/10
x=1,5