Question

quick!!! I'll give brainliest​

Answer 1

Respuesta:

1-

$7x + 3x + 90 = 1807x+3x= 180-90\\\\7x+3x= 90\\\\10x= 90\\x= 90/10\\x= 9$

2-

$73+45+x= 180\\\\x= 180-73+45\\\\x= 180 - 118\\\\x= 62$

I hope that help you