If you take away the two from the x first in 2 times x plus 3 equals 7 what does x equal

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

What percent of the circle below is shaded?

Can someone check if i did this correct. it’s number 4 if you’re wondering.