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)
(1/3)*(x+15) = 11 // - 11
(1/3)*(x+15)-11 = 0
1/3*(x+15)-11 = 0
1/3*(x+15)-11 = 0
1/3*x-6 = 0
1/3*x-6 = 0
1/3*x-6 = 0 // + 6
1/3*x = 6 // : 1/3
x = 6/1/3
x = 18
x = 18
| (-9/11)-2(1/3) | | f(10)=2x-6 | | 7x+2=6x-8 | | -7(2x-5)=15 | | X+5y-z=-20 | | f(-1)=3x-7 | | 190/95 | | 7=5/7(14-X)+2 | | 8x+53=2x+37 | | 2p-30=-4p | | 2(x-5)=4(2x+1) | | 3(x+5)=96 | | 2w+h+2l=p | | 2x^2=-8x+42 | | 5x+34=8x+15 | | 14-2x+3x-1+2x+1=26 | | 10=1a-7 | | 40/10 | | (26+x)=((x+23)+(12))-(14+x) | | 8y-16/8y | | 4x+69=9x-58 | | (1.5x)+4=10 | | 7a+5c=4c | | 3x+3/2 | | 1.5x+4=10 | | 2x+23=9x-1 | | 5c-3=2c+7 | | -x-(13+4k)=-3(5-9x)+2 | | -2(y-3)+5=3 | | 15/.75= | | n+3(n-9)=19 | | A-7=10 |