Respuesta :

Answer:

(6x+3)=120

6x=120-3

6x=117

x=117/6

x=19.5

(7x-19)=120

7x=120+19

7x=139

x=139/7

x=19.85

Answer:

(6x+3)=(7x-19)

-x+3=-19

-x=-22

x=22

Step-by-step explanation: