If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X in (-oo:+oo)
18-((15/2)*X) = 30 // - 30
18-((15/2)*X)-30 = 0
(-15/2)*X-30+18 = 0
-15/2*X-12 = 0 // + 12
-15/2*X = 12 // : -15/2
X = 12/(-15/2)
X = -8/5
X = -8/5
| (6x-15)/3= | | xr=(400r^x)/xr | | 2(x-6)+4=20 | | (2x+1)(3x+2)= | | 13x+2=47.5 | | 9/x=100 | | 9*x=100 | | x/0.1=90 | | 10/0.1=x | | 3g/5=-6 | | R=1/8×5 | | 0,1/12*(x*1200-100*x*(x-1)/2)=47,5 | | 10/x=100 | | 10/=100 | | 2x^2+25y^2=225 | | 100/10=x | | 2x-3(x+2)=-x+3 | | 4n+3=71 | | 5(2x+1)-4(x-2)=1 | | 4n+3=97 | | h=-4.9t^2+19.6t-12.6 | | 6(p+2)=42 | | 40=5a+10 | | 5x+10+12=4x+14-5 | | x=860-(.065*x) | | A=.5(13.5)(8+18) | | -9v^2+25v+30=0 | | 2+xi=y-7i | | 1/3x-24 | | 1/3×-24 | | 4xy-3y^2=0 | | 20v^2+13vc-15c^2=0 |