3x^2 + 3x + 18 = 0
(-14/3) + (3*x)/2 + (5/24)*x^3 = 0
3/8
(-14/3) + (x^2)/2 + (5/24)*x^3 = 0
x=5y
y=22-2x
5x + y = 4x - y = 9
what is the two-digit number that is a common multiple of 12 and 20
1÷((1÷x)+(1÷y)+(1÷z))
1+7/2
x=7/2
