oblicz i zredukuj wyrażenia podobne. x=0.5
-3(2x-5)-(-4+x)+4(-3x-6)
jak możecie, to zapiszcie obliczenia
-3(2x-5)-(-4+x)+4(-3x-6)=
-6x+15+4-x-12x-24=-19x-5
x=0.5
-19x-5
-19*0.5-5
-9.5-5=-14.5
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-3(2x-5)-(-4+x)+4(-3x-6)=
-6x+15+4-x-12x-24=-19x-5
x=0.5
-19x-5
-19*0.5-5
-9.5-5=-14.5