Question 21380
-3y(3y-3)-2y=8=
-9y+3y-2y=8
-6y-2y=8
-8y=8
y=-1
6-5s/3=s
6=s+5s/3
18=s+5s
18=6s
s=3
5(1-x)/6=-x
5-5x/6=-x
5-5x=-6x
5=-1x
-5=x
I can't really tell the next part because i dunno if the a+1+4 4 is the part of the fraction.
(x-1)2+2x=200
2x-2+2x=200
198=4x
45 and 55 mph
9 quaters and 20 dimes