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)
(1/2)*x = 3*y // - 3*y
(1/2)*x-(3*y) = 0
(1/2)*x-3*y = 0
1/2*x-3*y = 0 // + -3*y
1/2*x = -(-3*y) // : 1/2
x = (-(-3*y))/1/2
x = 6*y
x = 6*y
| x+0.5x+0.1x-0.2x=6 | | -6/5=4/7u-3/2 | | 18x-1=6x+11 | | 7x-10=3+8 | | 9+7x=49 | | 2(5x-4)=14x | | 2m+11=3m+1m+1 | | 3x-20+2=0 | | 18-15x=-9x | | 17+4x=49 | | m/5=25 | | 5x-(3x+2)=11 | | -6-4x=10 | | 15-(3x+1)=2x | | 3-13=102 | | y-6= | | -8x-44=-20x+14 | | x-16=47 | | 7n=4200 | | f(x)=x^2+9x+18 | | y-5=(x-1) | | -5a+7.5=-17.5 | | y^2-22y+121= | | 5x=-8x-5 | | -17.5=-5+7.5 | | (2x+5)=(6x+15) | | -1-2h=43 | | 9d-5=4d+35 | | 790/820 | | q-13=13 | | 3/4=21/2+d | | y:2=35 |