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3*(sin(x))^2*cos(x)
y^2+(4/y)^2
18*x+21*y-31;27*x-(3*y)-31
4*sin(4)
-8/9 = 5/9
| [15+x]=3-2x | | x=x^2-18 | | -x-15=4 | | 5-3t=0 | | 2[2x+3]-10=0 | | 92+78=x | | x-5+29=90 | | 6x+5+11x= | | x-5+20=90 | | 7x/-13 | | 9[5x+2]-7=-34 | | 3(2n-3)=4n+7 | | x-50+19=90 | | 6[3-4x]+5=59 | | -12-r=17.2 | | (x+0)(x-5)=0 | | 8-3+(-5)= | | 3+[2x+2]=15 | | 123456789x+25=-23 | | -4h(8+2h)= | | 10x^3-5x^2+2x-6=0 | | 7x^2+41x=-30 | | 18=7y-3 | | 3x=(5*3)+(2*3)+(5*4x)+(2*4x) | | 21n^2=53n+8 | | 62+6x-2=90 | | (10/5)/6=R | | [5x-2]=3 | | u+5.4=8.39 | | 7k^2+20=-33k | | 3x=2*(85-x) | | 8z-11z=37+42 |