If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x.12=x+3
We move all terms to the left:
x.12-(x+3)=0
We get rid of parentheses
x.12-x-3=0
We add all the numbers together, and all the variables
-1x+x.12-3=0
We move all terms containing x to the left, all other terms to the right
-1x+x.12=3
| 52=11x-3 | | 1+7x=45 | | 20=7+b | | 3(b+9)=-9 | | z-13=-19 | | -12i=-144 | | i+6=47 | | 72x2=24 | | 8u+7u3u=-18 | | h-11=16 | | -19p=57 | | 13x+5+21x+3=176 | | (3x-1)+(3x-3)=3x+8 | | 8.4/h=11.2/6.8 | | -2x-2(1x+27)=-26 | | -5-3x=-56 | | v/11=3 | | a+5−4=−3 | | x 9=8 | | 3x-7x+83=5x-8x+4 | | 5=w+13 | | 3+5m=14+2m | | 7(x–3)=3(x+2) | | 8w+23=5w+-4 | | 5y-2y-2y-y+2y=16 | | -2x-2(1x+27=-26 | | 32-2z=-8z+-4 | | 16k-15=`13 | | 4(2x+7)=5x-8 | | −1/2x+6=23 | | 87+6k=-7k-4 | | 26*6x=x |