If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(1/5)*(10*x-20) = (1/4)*(16*x-8) // - (1/4)*(16*x-8)
(1/5)*(10*x-20)-((1/4)*(16*x-8)) = 0
(1/5)*(10*x-20)+(-1/4)*(16*x-8) = 0
1/5*(10*x-20)-1/4*(16*x-8) = 0
1/5*(10*x-20)-1/4*(16*x-8) = 0
-2*x-2 = 0
-2*x-2 = 0
-2*x-2 = 0 // + 2
-2*x = 2 // : -2
x = 2/(-2)
x = -1
x = -1
| 8n-(3n-11)=59 | | 1/5(10x-20)=1/3(12x-6) | | c+5=-41 | | x*x*x-2x=9 | | x*x*x+3x=114 | | 8n-(3n+11)=59 | | X*3=2+x*4 | | 7x+14=5x+40 | | x*x-4x=6 | | 35-7x=11x+15 | | -6x+12+6x=-9 | | 9-9x=63-30x | | -10x-7=y | | x*x+3x=37 | | c=28-(-14) | | c+6=4 | | 173-10x=9x+17 | | w+4/8=w+10/5 | | 4w^2-121= | | 8x-1=5x+3 | | 11/x=5 | | 4d+5=13 | | (x+3)(x+4)(x+1)=0 | | 3(3x-7)=2(8x-11) | | x+28=x+40 | | b-26=63 | | 4(x-2)=3(x+1)+1-3x | | -45=-57 | | 36xy+6x+6y-48=0 | | x+50=x | | 4x+-8x+-5x+13x= | | 5p+3=13 |