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)
(5/4)*x-18 = -3 // + 3
(5/4)*x-18+3 = 0
5/4*x-15 = 0 // + 15
5/4*x = 15 // : 5/4
x = 15/5/4
x = 12
x = 12
| 5n^2+10=0 | | 25=-4x-x+10 | | 20x+50y=30 | | 43/12-x=36/12 | | 8f+11=-7-19 | | -8=5x+4x-8 | | -4(x-2)=36 | | 5/6x+15=30 | | 8y=2x+4 | | 8/9=2r-3/4 | | 5(2x-9)=y | | 5(c+4/5)+5=50 | | 2x-9+7x+4x=34 | | 12/315 | | y/11+3=14 | | 11/3+14/5 | | f(4)-1=3*2+1 | | -2=k/7+6 | | y/11+3=15 | | 8x^2=16x | | 4+t/3=-3 | | -4(2x-4)=42 | | x+1/x=x/1 | | 0.5x-0.4(50+x)=-0.26(50) | | 2+y/5=10/3 | | X=x-30 | | X-30=x | | -4(2x-6)=24 | | 5n^2+10n=0 | | 10+10=4-4y | | 3x-9+8x=y | | 8x^2+35x-35=0 |