3a=(a-4)

Simple and best practice solution for 3a=(a-4) 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 3a=(a-4) equation: 



3a=(a-4)

We move all terms to the left:

3a-((a-4))=0



We calculate terms in parentheses: -((a-4)), so:

(a-4)

We get rid of parentheses

a-4

Back to the equation:

-(a-4)



We get rid of parentheses

3a-a+4=0

We add all the numbers together, and all the variables

2a+4=0

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

2a=-4

a=-4/2

a=-2

See similar equations:

| 3m+50=20 | | 9=4(x-2)+23 | | 50=50y | | 3/4(6x=+2)=15 | | 7x+x=34 | | 41=-6*11z | | 3y+5×=6 | | 4h+18=48 | | 3x(x+1)*(4x-3)=32 | | 131+0.25+x=180 | | 5(h+2)=-3(4-h)  | | 3x+(x=1) | | x=220+3.3x-0.06x^2 | | 6(-5-4x)=-7x+38 | | 9y+5=4(y-2)+8 | | 13(11.25)-15=x | | 3x+x+1=4x-3 | | 3x+15+13x-15=180 | | 4(t-3)=8=4(2t-5) | | -64+7y=6 | | F(-2)=-4x-1 | | -16+7y=6 | | -3x–5=-20 | | 4-5x/13=2+5x/65-x26 | | 15x=10(x+1) | | 2/3y+1=7/3 | | 0.4t=0.1+0.2t | | 1/2=(12x-5) | | 11x-3(4x-6)=36 | | (y/4)-10=0 | | R=C−St | | 4.5+2.7y=22.5 |

Equations solver categories