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)
(7*(2*y-12))/4 = 2*y-9 // - 2*y-9
(7*(2*y-12))/4-(2*y)+9 = 0
(7*(2*y-12))/4-2*y+9 = 0
(7*(2*y-12))/4+(-2*4*y)/4+(4*9)/4 = 0
7*(2*y-12)-2*4*y+4*9 = 0
6*y-84+36 = 0
6*y-48 = 0
(6*y-48)/4 = 0
(6*y-48)/4 = 0 // * 4
6*y-48 = 0
6*y-48 = 0 // + 48
6*y = 48 // : 6
y = 48/6
y = 8
y = 8
| 4x^2-12r+5=0 | | ((3k-7)/2)=2 | | (3k-7/2)=2 | | -2x-9y=16 | | (5x/7)-8=x | | 6=B-8 | | (-2/5)x=(4/15) | | 39=18-4(2-5W) | | (1/x)=8.2 | | -6(x+3)=-7(x-7)+x | | 3/8t=3/5 | | w^2+7w+42=0 | | 6r^2-24/5r-10 | | P^3-X*P^2-Y*P=0 | | m^2+7m-15=0 | | 2y+5(36-.4y)=180 | | rad(x+4)+rad(3x+16)=2 | | 0.3+0.26r=0.0634 | | -6m+17=-10m+5 | | -w=13 | | 3-(-4x)+8x-(-8)= | | (n-1)+n+(n-1)= | | (x^3)-5x+3=0.8 | | (x^3)-5x+3=1 | | 2*x^3-6x+4=0 | | a+11=b | | 4b-3(b-6)=4+2b | | 7(y-1)=3y+21 | | 6.96+x=21.96 | | 3/4x=45/4 | | x-20.75=-5.75 | | 3y-2x=33 |