If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
a/4+13 = 17 // - 17
a/4-17+13 = 0
1/4*a-4 = 0 // + 4
1/4*a = 4 // : 1/4
a = 4/1/4
a = 16
a = 16
| a/4+13+17 | | -2/3x=-6 | | 8x+34=o | | 14-9x=3x-10 | | 41=-6x-1 | | 11n-48+4n=28 | | 2(3+2x)=16 | | 3x^2+15x=-12 | | 4x+12=14x+7 | | 4x+12=14x+1 | | 2x-0.5(0)=4 | | 3-2=0 | | 7(a-4)=28 | | 5(x+9)+7x=8x+1 | | 21x^7/7x^3/13 | | 2(0)-0.5y=4 | | 3x=-4x+1 | | 7m+4=4m+24+2m | | -35a-114+99a=30 | | 17x+7y=-2 | | 2s^2+5s+3= | | -5x+0.33333333=2.66666667 | | 222-7x=29x+18 | | 3.141592653589793234= | | 2b+6b=112 | | 3x+7=-92 | | 4(-2)+5y=7 | | 7x/4+41/30=4x/3+11/5 | | -4/3(2x-6/3)-4(-3x+1/3)=-2 | | .25q+.10(q+8)=3.25 | | 4-3x=4x-5 | | 3x+2=-2x+37 |