If it's not what You are looking for type in the equation solver your own equation and let us solve it.
1;21
1;20
-6*x = 18;x
x
2;3;4;7;1;0
21;2.5
| 2+5y=18 | | -1/2x=-15 | | 9x-34=3x+14 | | 2(5-x)-25=3(x-5)-5x | | p=4k+4zs | | (2x)+7=(4x)-13 | | y+y+2+y+2*2=58 | | 49+6x=13x | | 7*n=16 | | 78/J=6 | | 30+31y=-3 | | y^2-x^4=0 | | 393.75+1.35y=393.75 | | 4y=40-10x | | 5n+1=-19 | | -42/-6= | | 25x+12=-12x^2 | | -14x-73=36 | | -32=5y-2 | | X^4-12x^2+4x=0 | | W-2/3=4/3 | | 9t+7=-70 | | -23=5x+7 | | 2w^2-15w+27=0 | | 4-2x-(5-3x)=x-1-(x-8) | | 2x+3(x-4)=0 | | -18=-4+2U | | 2-4/-4 | | 19x+9y=100 | | 3(-x+6)=30 | | 27x-192=0 | | 2m-31=-17 |