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x+y-4;2*x-y-8
cos(x)
1*x^2-(1*x)+0*x^4+0*x^3-5 = 0;x
x
1*x^3+6*x^2+0*x-81 = 0;x
x
1/6-(1/16)-(1/24)
| Y=1.50+0.75x | | 2.8c=19.6 | | 10=2w/9 | | 2w/9=10 | | my-5x/(3z)=5y | | my-5x/5y(3z)=5y | | P=80-4/5x,p=4/5 | | 15/4=5v | | 1/6-1/16-1/24 | | 5w+7(w-6)=30 | | 2(y+7)-8y=8 | | 47=3x+1 | | 5u+4(u-6)=-6 | | 8(2w-2)=7(3m+5) | | 8(2w-2)=3(3m+5) | | 4kx=y+3 | | 7x+4x+(x-10)=98 | | 2*8-20=x | | H(t)=16t^2+400 | | 19x=195+14 | | 4x+2(3.2x-5+2.8)=68.4 | | 4x+2(3.2-5+2.8)=68.4 | | (9-z)(3Z+8)=0 | | 4+6x=2(3x+2) | | 2x-6(1+x)=2(1-2x) | | (-x)-9=11.2 | | 3(2x+8)=2x-4 | | 5x+45=2x | | 2x*3.75y=3700 | | x^2*y-x*y+y=0 | | .25(x+24)=.5+34+2x | | 6y+8=7y-2y |