Por favor alguém resolve pra mim??
Anexos:
Soluções para a tarefa
Respondido por
1
18. a) ![\ frac {x} {2} [/ tex] = 8 <br />x= 16<br /><br />b)x= -16<br /> <br />c)3x= 36<br />x= 36/3<br />x= 12<br /><br />19. a) 1,5<br />b) -1,4<br /><br />20. a) [tex] \frac{2x}{5} = 5](https://tex.z-dn.net/?f=+%5C+frac+%7Bx%7D+%7B2%7D+%5B%2F+tex%5D+%3D+8+%C2%A0+%C2%A0+%C2%A0+%C2%A0%C2%A0%3Cbr+%2F%3Ex%3D+16%3Cbr+%2F%3E%3Cbr+%2F%3Eb%29x%3D+-16%3Cbr+%2F%3E%C2%A0%3Cbr+%2F%3Ec%293x%3D+36%3Cbr+%2F%3Ex%3D+36%2F3%3Cbr+%2F%3Ex%3D+12%3Cbr+%2F%3E%3Cbr+%2F%3E19.+a%29+1%2C5%3Cbr+%2F%3Eb%29+-1%2C4%3Cbr+%2F%3E%3Cbr+%2F%3E20.+a%29%C2%A0%5Btex%5D+%5Cfrac%7B2x%7D%7B5%7D+%3D+5%0A "\ frac {x} {2} [/ tex] = 8 <br />x= 16<br /><br />b)x= -16<br /> <br />c)3x= 36<br />x= 36/3<br />x= 12<br /><br />19. a) 1,5<br />b) -1,4<br /><br />20. a) [tex] \frac{2x}{5} = 5")
-> 2x = 20 -> x= 10
b)
-> 9x=9 -> x= 1
c)
-> 7x = -5 -> x= -0,7
d)
-> 3x = 18 -> x= 6
b)
c)
d)
Perguntas interessantes