7a-3a+a=12

Simple and best practice solution for 7a-3a+a=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 7a-3a+a=12 equation: 



7a-3a+a=12

We move all terms to the left:

7a-3a+a-(12)=0

We add all the numbers together, and all the variables

5a-12=0

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

5a=12

a=12/5

a=2+2/5

See similar equations:

| -16=3/4x | | 3÷10a=60 | | -50=-2x3x | | -54-x=-33 | | 11+11x=16+18x | | 5n+35=180 | | (x)=3x^2-162x+82 | | P=-0.003x+7.9 | | 3(x+4)=(3+2) | | 11+11q=16+18q | | 45a=(9)(2)+(3^2)a | | -2(-4m-6)=(m+7) | | (1)/(4)(4r-8)=r-2 | | 306+x=401 | | 3785x,x=25 | | 885-x=167 | | 65t+58t= | | 7x=-3x+2 | | (x/100)*360=15 | | x+(953)=-234 | | 65-2.5x=55-2x | | 3*(9/2-(1/2))=x | | 19x-2+46=26x+2 | | 5/2x+3=1/2x+45 | | 1x-4=4x+2 | | ?+4x?=44 | | -6(8v-1)=-38-4v | | 4x+20=170 | | 12x+1=5x+20 | | 19x-2+26x+2=46 | | 5x+1=5x+20 | | 3x²-13x+14=0 |

Equations solver categories