If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12+3a=2a+10
We move all terms to the left:
12+3a-(2a+10)=0
We get rid of parentheses
3a-2a-10+12=0
We add all the numbers together, and all the variables
a+2=0
We move all terms containing a to the left, all other terms to the right
a=-2
| -90=-5(8n+2) | | -4(x–26)=-200 | | -x3+4=20 | | 2•10^4x=8 | | 12y+25=-35 | | -9-9u=9-7u | | 2x-18=57 | | 3t+7t+5t+2t=153 | | 12.5=5g-3.5 | | s2–s=0 | | k9-1=10 | | h•1.5=1.5 | | x+7=11 | | 6-2k=-4-3k | | 5n+2(7n+3)=101 | | -8t-23=-15 | | 120+26x=6x | | 6x+1-(3x-1)=9 | | -1+7j-5j=3j-10 | | 6x+1=(3x-1) | | -6(-3n+3)+4n=-106 | | 2b+3=b+7 | | 2z=10+3z | | (3x-1)^=11 | | 4-n/4=1 | | 5b+6=3b-8 | | -4(3b+5)-5=-85 | | 2x^2–7x–3=1 | | 4=2/3m | | ((4x+12))/(8x-8)=0 | | –3(t+17)=–3 | | 26=17-b |