8x(2x-5)
3(2x-5)+17
3x(3x-2)
x-0.56y=45
x+1.4y=64
the ratio of red marbles to blue marbles in a jar is 5:3.If there are 40 marbles,how many blue marbles marbles are there?
5y(2y+1)
6(4d-3)+7d
y(3y+5)
sin(x - (2/3)pi) = sin(pi + 2x)
0.849(7.2-x)(0.8-x)=(x)(1.6+x)
