If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12=20x+-3+4x
We move all terms to the left:
12-(20x+-3+4x)=0
We add all the numbers together, and all the variables
-(24x-3)+12=0
We get rid of parentheses
-24x+3+12=0
We add all the numbers together, and all the variables
-24x+15=0
We move all terms containing x to the left, all other terms to the right
-24x=-15
x=-15/-24
x=5/8
| 12-4d=3(d-1) | | v/4+15=37 | | 17-x=1/3(15)+16 | | 82=7m-2 | | 2x=5.60 | | 3(x)-4=17 | | 3/5x=-90 | | 3/4(10x+15)=-12 | | 50=2+4n | | -12x-15=-111 | | 55=1/2h(3+8) | | 56=8b | | x/12+3=33/4 | | h/15=10 | | 2/3(9x-15)=14 | | 4z/6=20 | | a+12=4a-5 | | 6x-12+2x=3+8x-18 | | 25.8=0.4w+5 | | 3x+9=-12+3 | | 3(x-3)+3x=4=-53 | | 9+4x=40 | | 2v+3(8-v)=40 | | -7k+2=3k+9 | | 7−7(x+5)−8x=8-8 | | 7−7(x+5)−8x=8−8 | | 21x=14x+70 | | 7-7x-35-8x=0 | | 24m=8/10 | | 3x+4=4×+3 | | 8x+2+14x-76=180 | | 3x(7/3)=7 |