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-13 = 2 // - 2
(1/3)*x-13-2 = 0
1/3*x-15 = 0 // + 15
1/3*x = 15 // : 1/3
x = 15/1/3
x = 45
x = 45
| 24b^2-6b=63 | | (2x/3)*(6/7x) | | 7m-9=40 | | cos^2x+2sinx-2=0 | | y+200=y-28 | | 30b^2+75b+46=0 | | -8(g-4)=64 | | 8x-3y=-34 | | 6x+4y+8z-2x+4z-8y= | | 6+6i= | | -5f=5f | | 0=3x^2+12 | | 9-0= | | -8x^2-8x+5=0 | | 6.6+x=11 | | f(x)=-8x^2-8x+5 | | (3x-20)=(2x+30) | | 0=4y-24-3x | | F(x)=15(0.75)x | | 10-8y=-3y+6 | | 68=2.5x+18 | | 5x+5=8.5 | | 5/9(f-32)=11 | | 0.5=x/8 | | x+3(x-1)-3(x-2)=x+6 | | -8x+5=10x+5-18x | | p=(4)(-11)(3) | | 2x-5/4 | | 8(3)(16)=w | | (n/100)=(5/8) | | 4y+8=12y+9 | | x=x^2+7x+12 |