Is 2x=x+x+x+1 a linear equation explain

Write two subtraction equations that are equivalent to 5 + 12 = 17.

True or false look at the picture pls : /

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units