Question

pleas explain how you solved for x cause i don't have a clue of what to do!

Answer 1

so a triangle equals to 180* so you’d want to add 51+103=154 and then you’d want to find 180-154= 26 then 9x3= 27 then you’d wanna minus the 1 from 27, 27-1= 26. SO THE X WOULD BE 3.