2x+x+90 = 180

what is the value of x?

Hi @Tanzite!

I'm not sure if you type your question correctly. If yes, looks so easy for the college level.

2x + x + 90 = 180

3x + 90 = 180

3x = 180 - 90

3x = 90

x = 90/3

x = 30

Let me know if this works for you.