If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
y/2-7 = -13 // + 13
y/2-7+13 = 0
1/2*y+6 = 0 // - 6
1/2*y = -6 // : 1/2
y = -6/1/2
y = -12
y = -12
| 10b-3bc+5b= | | 65+12x/13+x | | 18-4a=2 | | 10y-3=24 | | 10y-3=24# | | -1.3-7=-3 | | 233,3x+37,8=129519,3 | | 23x+38=17x+56 | | 3,7x-17=3,35 | | -1=-2v+2/3 | | x-29=-14 | | X+45-124=214 | | 11x^2-55=0 | | 17,3x+4,2=964,35 | | 1,7x-20=0,74 | | 500x+65y=123 | | 17x=108,8 | | 4.50x+7.75y=113.50 | | X=2x^2+12x-7 | | 15+7=35 | | 6(x+2)=-18x+6(x^2-3) | | 19d^2-5d=0 | | 36-4x=5x+23 | | 109-2x=25x+27 | | x^2+14x+99=0 | | 7a-4=10a+30 | | 7a-4=10a+3 | | x/7=1,3 | | 17,7x=708 | | 44*x=352 | | (x-2)(x+2x+4)= | | 3y=6x^2*1/2x |