Anúncios
1
1) Resolva as equações do 1° grau: a) 3X+2=17-2X
S={5}
S={-5}
S={-3}
S={3}
2
b) 3(X-3)=2(X+4)
S={-17}
S={17}
S={19}
S={-19}
3
c) 5-5(X-3)=30
S={8}
S={-8}
S={2}
S={-2}
4
d) 4X/7=4
S={9}
S={8}
S={7}
S={11}
5
e) 2(4X+5)/4 - 6(X+2)/2 = 2/4
S={-4}
S={4}
S={-8}
S={8}
