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)
(3*x)/9 = 15 // - 15
(3*x)/9-15 = 0
1/3*x-15 = 0 // + 15
1/3*x = 15 // : 1/3
x = 15/1/3
x = 45
x = 45
| 7.5(q+1.6)=29.25 | | 1/2+6=z-1 | | 6(41-21)-6(20-2)= | | 6y-2x+4=10y+6x-6 | | 1/3x^3-3/2x^2=0 | | 12m+4n-3m+8n= | | 1/3x^3-3/2x^2 | | 4x-5y+4=3y+2x+7 | | 22t+48=-28t | | 8x-1.2=-9+14.1 | | 5x^2+64=100 | | 10x+26=-64 | | -h+11h-16=74 | | 8/9+5/7 | | -2/3r=5/6r-36 | | 3x^2=51 | | -36+9y=-3y | | (5x-10)(2x+8)=0 | | -15=-3n-6n | | 525.00+21x=585.00+.13x | | 1/2(6)-1=y | | 1/2(4)-1=y | | 4(1+5r)=-28 | | 5/6+1/15 | | 1/2(2)-1=y | | 5/6-7/10 | | 1/6+11/15 | | 525.00+.21x=525.00 | | 4x^2+8x+23=0 | | 5(7-6v)=20 | | 8x-5-4x=-6 | | Log[3](7x-6)=log[3](4x+9) |