If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3+2a=15
We move all terms to the left:
3+2a-(15)=0
We add all the numbers together, and all the variables
2a-12=0
We move all terms containing a to the left, all other terms to the right
2a=12
a=12/2
a=6
| -2(x-2)-3-4x=3(x+1)-9x | | 3k+2(5k-2)=7 | | x=200X3 | | -5-15y+1=14-32-y | | 8w+-17=71 | | 48=3x-15 | | -3.8=d/1.5 | | 2x-4(x-2)=-6+4x-28 | | 8a(-7×9)=80-8 | | 2x-8.7=21.3 | | 20(7-d)-11d=113 | | 6(5-8v)+22=-54 | | -8-7f=-8f | | 16u+5=1-4u | | 4(2x+10)=-16 | | 2h=h-10 | | 14.3yy=7 | | -7(x+2=1-6x | | 7-x-5=4+3x+6 | | F(-5)=-2(7-x) | | .5(6x+10)=2x+31 | | P=53p-12 | | 7x+15=4x+12 | | 23=v+16 | | -2(5n-5)+5(n+1)=7n+3n | | (5x+2=)(5x-2) | | 23=b+16 | | 4(n−15)−–7=11 | | -2(6+6v)=7(-6v-6) | | 14+-5=5x+22 | | -3x+33=-33 | | 3^(2x)-12(3^x)+27=0 |