2a-a+3a=12

Simple and best practice solution for 2a-a+3a=12 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2a-a+3a=12 equation: 



2a-a+3a=12

We move all terms to the left:

2a-a+3a-(12)=0

We add all the numbers together, and all the variables

4a-12=0

We move all terms containing a to the left, all other terms to the right

4a=12

a=12/4

a=3

See similar equations:

| X=2500-0.13*x | | 2=w+11/3 | | -7w+-6w-5w-14w+-2w=-20 | | 31^x=93 | | 132-y=190 | | 26+x+46=90 | | -11m+-9m+11m+-5=4 | | -10d+-6d+-19=13 | | -2(4t-2)+3t=4t-6 | | 97+(x+56)=180 | | 0.06(y-9)+0.14y=0.04y-0.7 | | 2x2+5x-58=0 | | 0.12(y-6)+0.02y=0.18y-0.6 | | y^2-y+40=0 | | 9p+-5p=-12 | | 9k-18=6+12k | | 9p+5p=-12 | | 19-8n-9n=-17-19n | | 7x+64=-13 | | -13+11p=10p | | 18.5g+1.88=-14.2g-7.93 | | 10s-2s-6s-s+s=18 | | -13y-15=20-18y | | -2-7d=-16d-18+8d | | -17a+8a+-3a+18a=12 | | 5h=15.6+8h | | X-0.20x=51 | | 7v-7v+3v=9 | | -2.6+13.9y=14.9y+6.4 | | 20+3x=32 | | 10c-19=11c | | 72=3z |

Equations solver categories