Oblicz wartości liczbową wyrażenia dal a= -5
2a+4 /:2 +3 (a-1)=
2a+4 /:2 +3 (a-1)=2*(-5)+4/2 + 3(-5-1)=-14/2+(-18)=-7+(-18)=-25
a= -5
2a+4 /:2 +3 (a-1)= 2a+2+3a-3 =5a-1=-5*(-5)-1=25-1=24
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2a+4 /:2 +3 (a-1)=2*(-5)+4/2 + 3(-5-1)=-14/2+(-18)=-7+(-18)=-25
a= -5
2a+4 /:2 +3 (a-1)= 2a+2+3a-3 =5a-1=-5*(-5)-1=25-1=24