Question

5. Sabendo que retas r, s, t são paralelas determine a valor de x.​

Answer 1

Resposta:

(3x+4)/(3x+1)  =(x+2+3x+4)/(x+3x+1)

(3x+4)/(3x+1)  =(4x+6)/(4x+1)

(3x+4)*(4x+1) = (3x+1)*(4x+6)

12x²+3x+16x+4=12x²+18x+4x+6

3x+16x+4=18x+4x+6

19x+4=22x+6

-2=3x

x=-2/3