If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
(5/2)*z = 15 // - 15
(5/2)*z-15 = 0
5/2*z-15 = 0 // + 15
5/2*z = 15 // : 5/2
z = 15/5/2
z = 6
z = 6
| ydx+(3x-xy+2)dy=0 | | (x^5+3y)-xdy=0 | | 7x+205=3x+161 | | (3x+9)-4=2(2x-15) | | -5/4y=10 | | 2a+5=12 | | 8x-128=3x-28 | | 9(3n+1)=8(5n+8)+9 | | 4y/11+8=19 | | y/12=6 | | 3x-3+2x=4x+3 | | 4y+13=4(y+5)-11 | | 9(3n+1)=8 | | -3/2+7/5k=2/15 | | -12y=6 | | -11/2+7/5k=2/15 | | 7k+2=6-4k+9k | | 5/2y-12=-7 | | x-5-2(x-1)=2(3-x) | | 4(3n+3)=9(5n+1)+6 | | x(x+6)=16 | | 8v+6=-1+7v | | 7-2xa=19 | | 7-2timesa=19 | | 7-2yimesa=19 | | 2n-7=n-1 | | 2(1-2y)=4y+8 | | x^2-144x^3=0 | | -4(1-2n)=-5+8n | | x+3x=190000 | | 3x-12=14+x | | 180=x+(2x-10)+(2x-10)+25 |