If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Oblicz to!
x^2+y^2-13;2*x-y-1
(1/5)*x-((7/2)*x) = 1
x^2+y^2-13;2*x-y-1
x^2+y^2 = 13
8;9;0;4
| -y+289=201 | | 50000m=m | | 2=3-2 | | y^3-3*Y-1=0 | | .9m=14.9-8.6 | | 1/5x-7/2x=1 | | 3a^7(a+9)(a-1)= | | .9=14.9-8.6 | | 32=8+4y | | 6(2-x)-(x+3)=3(-x+1) | | 2a+36=112 | | 30x+115=985 | | -8x-1=3x^2+2 | | 21+2x=57 | | 6tanx-1=0 | | 4(a+3)=12 | | 9x+14=112 | | 2r^5-6r^4=56r^3 | | 3x+2=4x^2 | | (3x-7)-25=0 | | 13x=585 | | 6(k-7)=18 | | X-83=29 | | 21=-d+3-d | | 4(k+5)=32 | | 7w=17 | | 18x^2+29x+3=0 | | 4(c+3)=36 | | 6m-10=62 | | 11x+1y=53 | | 400-8n=2800 | | k=y/4 |