Respuesta :

Answer:

i dont do that yet

Step-by-step explanation:

Step-by-step explanation:

1.18X-6=120, x=7

2.6x+14=80, x=11

3.11x+9=130, x=11

4.x+129+x+69=180, x=-9

5.x+60+130=180, x=-10

6.70+8x+14=180, x=12