Question

para responder nas figuras, a // b // C, calcule o valor de x​

Answer 1

3) _x_=_9_

14 12

12x=14x9

12x=126

x=126÷12

x=10.5

5)

X/4=9/18

18x=9.4

18x=36

X=36/18

X=2

7)

(X-5)------6

(X+1)------24

24x-120=6x+6

24x-6x=6+120

18x=126

X=126/18

X=7 .

Espero ter ajudado. !!