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/(-2)+10 = -2 // + 2
a/(-2)+2+10 = 0
12-1/2*a = 0 // - 12
-1/2*a = -12 // : -1/2
a = -12/(-1/2)
a = 24
a = 24
| 6+9k=12+-8k | | 5x^2-39x-8/64-x^2 | | 140+25+x=180 | | .03y-1.2=8.7 | | 4sin^2x=4cosx+1 | | 70+70+x=180 | | 4x^2-20xy+25y^2-4x^2+20xy+25y^2= | | -6(21-5v)=54 | | 70+70+=180 | | .09d=.018 | | (X)(x-1)=0 | | 5x^2-13x+10=0 | | 2(5n+3)=8n+2(n-3) | | 7(3x+2)=21x+2 | | 4/c=16 | | (3r-3)(2r+5)= | | y+9=6x-18 | | 3a+20=-4 | | 75+30+x=180 | | 0.25y-0.8=0.15y+1-0.84 | | 7g+4g=5 | | 6+3/2y=3 | | (X-6)(x-5)=0 | | 9x^2-45x+50= | | 9x-5y=-16 | | 6+3/2y+3 | | -1/-5 | | 24a^3b^-2/6a^-3b^2 | | (2x+5y)(2x+5y)= | | 9b-12/3b=3 | | 3x+(-10)=-19 | | y=(4x-2)/7 |