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(8-x)/cos(x)
(3*x+7)*sin(x)
3*x+7
3*x
3/(2*e^x)
| x^2+13yx-14y^2=0 | | -8=u+6 | | 25x+4=71 | | (x^4)+7i=0 | | 6x^2-10x-4x=0 | | r(x)=x(12-0.08x) | | 4(x+1)-15=0 | | 70x+42=x+0 | | 8/x=4/9 | | log(4x-2)=3 | | 8x+5=7x+13 | | 4t^3-24t^2-36t-27=0 | | 6x+.05=252 | | ((3x)-(3x))=0 | | In(x)+In(x+10)=4 | | 6X+.5=252 | | 8.96=7v | | .8x+.666667=2 | | 80+x+95+38=360 | | 3x+4y+4x+2y= | | 80+x+90+38=360 | | 90+90+x+128=360 | | 3x/2=-16 | | 90+90+x+128=180 | | 6=7u-5u | | (4x-5)+(2x+25)= | | x^4-8x^3-3x^2+24=0 | | 3x-2(3x+5)+5(2x+8)=44 | | 4+3(x-3)=3x+1 | | 2x+9y+(-5)= | | 2x-7(3+5)x(6+4)= | | 2x+7=-2x+8 |