20a-17a-a+a=9

Simple and best practice solution for 20a-17a-a+a=9 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 20a-17a-a+a=9 equation: 



20a-17a-a+a=9

We move all terms to the left:

20a-17a-a+a-(9)=0

We add all the numbers together, and all the variables

3a-9=0

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

3a=9

a=9/3

a=3

See similar equations:

| -2p-6=22 | | 2(w-6)+10=20 | | -4x^2(6+24x(6+1=0 | | 3 | | 2x4-4=-10 | | |8x+5|=11 | | -3(2x-8)=-80 | | 4=7+p/6 | | 9=-3x+10 | | 5r^2+4=4r | | (x−2)2+(x−30)2=2x2. | | 7j-4j=15 | | 40+13x+9=180 | | 3(x-1)=1( | | -2p-10=22 | | 2x-27=45- | | 14+8x-12-x=-32 | | 200-6m=500+6m | | 1=(3x-75)° | | 8(w+3)=-16 | | x+113+134=90 | | 7p=247 | | 65x+90=185 | | X^2+7x=2x+14 | | 3(j+2)+4=28 | | -7y+3=-27 | | 5/23=12/x | | −7x−8+x2=0. | | 4=1.2^x | | 180=20x+5 | | y=800(1+2)^9 | | -8x-15+20x=-14+12x |

Equations solver categories