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)
(1/2)*(4*a-16) = 15 // - 15
(1/2)*(4*a-16)-15 = 0
1/2*(4*a-16)-15 = 0
1/2*(4*a-16)-15 = 0
2*a-23 = 0
2*a-23 = 0
2*a-23 = 0 // + 23
2*a = 23 // : 2
a = 23/2
a = 23/2
| 8(m+3)-3m+1= | | -8x+15+6x+14=-5 | | 34=6n+10 | | 2cos^2-9cosx+4=0 | | -5b+2=b+8 | | -8r-5r-4r+6= | | x^4-5x^3=6x^2 | | 3(x-2)=y | | X^5+5x^4-x^3-37x^2-5x+60=0 | | 18-6x=-30 | | (s-t)•(s/t) | | n*1/n=1 | | 18u^5w^6+30u^2w^2x^2=0 | | 7x+2y=-52 | | 256/3= | | 6.6x-3.1=10.1 | | F(n)=6+9(n-1) | | -x+1=2x-3 | | 2/3r=17 | | (9*6*55.9+4+7)-9= | | (9x-7)+5(x+4)=43 | | 7a/9bc/21a/12b | | -0.3(x-7)=4.5 | | 5(7r+8)=30 | | 0.6(x-2)=9.0 | | -7q+12r=3q-4r | | 5+3v=7v+5+4 | | 7-4x=21-1x | | 27c-6c=84 | | 8(x+3)=4.8 | | 25t^2+7=8 | | 7-4x=21+1x |