if 35 is half of x (x being the speed of a major interstate highway a few miles away) then this means you multipliy both sides by 2 to get x by its self and now have x=70
The answer would be 2(6x+5+2y) you can figure this out through the distributive property. 2(6x)=12x 2(5)=10 and 2(2y)= 4y this would reult in giving you the equation 12x+10+4y