If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X+13=X+12+2X
We move all terms to the left:
X+13-(X+12+2X)=0
We add all the numbers together, and all the variables
X-(3X+12)+13=0
We get rid of parentheses
X-3X-12+13=0
We add all the numbers together, and all the variables
-2X+1=0
We move all terms containing X to the left, all other terms to the right
-2X=-1
X=-1/-2
X=1/2
| X+3/4x+2/3*3/4x=180 | | 144=m-98m= | | 28=7-x(3/2) | | 5r^2=4r | | 4x+9=2x−1 | | 16p=208p= | | 9y+6/15y-12=2/7 | | 3(y^2-3)^2-2=10 | | y=0.82×(4/3)* | | 4x7=32 | | 24=-4n-8n | | -14=-2(n+8) | | x–5=0.1(x+5) | | 10x-24+4x=-4(3-2x) | | 5x^2=16+16=0 | | 7+|n/2|=10 | | 6d-5+9=-31 | | 6d-5+9=-3- | | 4z-3z+5z=18 | | 1/3x+1=1/2x+1/2 | | –9x+1=–x+17 | | -9(4+2a)=21 | | 2/3+b/2=3/8 | | 21n^2+20n-25=0 | | 2b-1=-5 | | x-11+4x-2+x-9+3x-5=0 | | -9(4+2a)=2 | | 2m23=17-8m | | x-11+4x=2+x-9+3x-5=0 | | 2x+7-5x=22 | | 3(x-4)+3x=-2(x-2)+2 | | 4+4s/4=3 |