If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13+2a=3a-14+12a
We move all terms to the left:
13+2a-(3a-14+12a)=0
We add all the numbers together, and all the variables
2a-(15a-14)+13=0
We get rid of parentheses
2a-15a+14+13=0
We add all the numbers together, and all the variables
-13a+27=0
We move all terms containing a to the left, all other terms to the right
-13a=-27
a=-27/-13
a=2+1/13
| 6+5f=86 | | y=1E-05(00.107)+0.0009 | | 12–3x=x+4 | | 8x–2=1+9x | | 6/10=-3/x | | -7(-n+4)=-84 | | 9=y-27/6 | | -3x=-5x–8 | | 3x-15=-63 | | -6(3+5n)=102 | | g+26/10=5 | | 43-x=168 | | 23-5q=8 | | u+12/7=5 | | -17=7(3-4x) | | u/9-1=2 | | -2w+6-6w=4w+12 | | 5(-4n-1)=-145 | | 14=20-2k | | -3(5r+1)=87 | | 2=r-73/8 | | 3(6-3x)=81 | | 90=9(q+3) | | 75-2X=9-2x+138 | | r+19/4=8 | | 8(6+v)=88 | | X=4+4x7 | | 80=8(g-80) | | 2x=50000 | | 2x*5x=182 | | 25-2n=19 | | 2v-6-5v=-3v+-9 |