4x+5y=5
5x+4y=3
3x-4(x-5)=2(3x+2)
$-2x^{2}$ +3x+4
simplify (1 - ẟ)/α w = α - w
12/6*6
x−2<3
1/ab *{( a²+b²)/(a-b)}^2-a/b-b/a-2
find the square of the following
(x+4y^3)
If 2z+x = 15 and 2z+3x = 9 then x = -3 and z = 9
If x=1,y=-2,c=5
Find the value of x²-y³+c²