6a-21=3a

Simple and best practice solution for 6a-21=3a 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 6a-21=3a equation: 



6a-21=3a

We move all terms to the left:

6a-21-(3a)=0

We add all the numbers together, and all the variables

3a-21=0

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

3a=21

a=21/3

a=7

See similar equations:

| 2(f+6)=6f | | 4.9x+(-3.2x)-13=-2.63 | | 6+19x+18=13x=6 | | 8+7p=6p+9 | | -4(25x-5)=-100 | | 4^3x+11=7 | | 14+3n=4n+11 | | 4y-8=68 | | -4x=-5x+3 | | -8x-2+4x=-9x-8 | | /4x+52=0 | | 4+2.2h=3. | | 8(3x-8)=3x | | 3a-0.5a=10+a | | 1/4(8x+12)=17 | | 12x^2+36x-15=0 | | 1/2(6-5x)+3x=-(3x-10) | | 16=7p-8-6p+4 | | 4x+4x(x-7)=20 | | 6x2+17x-3=0 | | 9t-8+7t+5t+6=-23 | | x-3/6-5=0 | | 15x+10=-12x | | 20=4x+4x(x-7) | | 1-6.4x=-7.7+2.43 | | 8y+5=16 | | 6r-2r+1=3r-5(r-2) | | 14h-6+5-6h=79 | | 9k-4=14+3k | | 2^3x-2x3^2x-3=36^x-1 | | 28=7y+2+6y | | 84-x=5x |

Equations solver categories