Question

2x+25
3x-10
find y degrees

Answer 1

Check the picture below.

`2x+25~~ = ~~3x-10\implies 25=x-10\implies 35=x \\\\[-0.35em] ~\dotfill\\ 2(35)+25~~ + ~~3(35)-10~~ + ~~y~~ + ~~y~~ = ~~360 \\\\\\ 95+95+2y=360\implies 190+2y=360\implies 2y=170 \\\\\\ y=\cfrac{170}{2}\implies \boxed{y=85^o}`