Respuesta :

namirmanasiya

Answer:

The answer is obviously -42.

Step-by-step explanation:

You add all the values on the shape to get 3x+486=360. You then subtract 486 on both sides to get 3x=-126. From there, you divide by 3 to get -42.

jorgjiu8oresti

Answer:

720=130+102+120+134+2x+x

720=232+254+3x

720=486+3x

720-486=3x

234=3x

234÷3=x

78=x