If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x-x+4x=12
We move all terms to the left:
x-x+4x-(12)=0
We add all the numbers together, and all the variables
4x-12=0
We move all terms containing x to the left, all other terms to the right
4x=12
x=12/4
x=3
| 5v+34=3(v+8) | | 0x+8=1x+3 | | 4(n+7)=n/2+21 | | -18(2h+4)+12=-74 | | -14=-4n-3n | | (2x-11)+(x+43)+(x)=180 | | (6x+32)=180 | | (11x-5)+(6x+32)=180 | | 3(w+7)-5w=7 | | 11+3n=n-5+6n | | 53=-v/3 | | 2x-11+x+43=180 | | 3/5x-2=x/10+1 | | 7n-3=n+5 | | 2x-11=x+43 | | -11=1+b+36 | | 8x-2x-3=5+3x+10 | | y+19+3y-11=180 | | {2x-1}{3}$=7–x | | 8x-2-3=5 | | -10=v-5-6 | | 7x+38=14x-2 | | -4x+5=-3x | | 2x-42=2x-19 | | 7x+38=6 | | 10−3d=1 | | 6x+4=-6+4x+16 | | 2(x+5)=3x-8 | | -3.8=x=-12 | | 0=4x^2-14x+13 | | -11x-5=-19x+19 | | 4/9-y−12=4/1-y−4 |