Angle e = x angle d = 5x supplementary means they add up to 180
x + 5x =180
6x = 180
6x/6 = 180/6
x = 30
so angle e = 30 and angle d = 5(30) = 150
2x-y=1 is also equal to y=2x-1 so then plug in 1 or x and so on to create a table
3(x)=6
3(2)=6
which says 6=6
Word form-five hundred six thousand,seven hundred nine
Expanded form-500,000+6,000+700+9
