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)
x/4-(2*x) = 3 // - 3
x/4-(2*x)-3 = 0
x/4-2*x-3 = 0
-7/4*x-3 = 0 // + 3
-7/4*x = 3 // : -7/4
x = 3/(-7/4)
x = -12/7
x = -12/7
| 80=(15/2)h | | 39.7+6+30.1=165.288 | | 6x^2-135=15 | | 18=(9/2)h | | x^2+10x+150=-20x-50 | | x^2+10x+150=-20x-50 | | 3u-3=2u-4 | | x^2-5*x+16=0 | | 2x+5+6x=27 | | 18=(1/2)h+9 | | 7x+7=8x | | 3*(v+2)-4*(5v-6)=7-5*(4v+6) | | x/3+x=6 | | 182/7 | | 64/8= | | 8-(2z-7)=9-3z | | 2x^2-75=53 | | z+3=11.2 | | 2x^2=x+4 | | 6(2+w)=5(3+w) | | 6z-11=-3 | | 35-22x +6-18x=14-30x+32 | | x/2-x/5=6 | | 6x-8=5x+7 | | 8x+4y+5z-5x+4z-7y= | | 10y+4=2y-12 | | 6+7*inx=15.8 | | -9+x=x-9 | | x/6+x/2=8 | | (n+3)(3n-7)=0 | | (p-7)(p-5)=0 | | x^2+7x+10=(x+5) |