30-4(20-2a)=12(a-6.5)

Simple and best practice solution for 30-4(20-2a)=12(a-6.5) 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 30-4(20-2a)=12(a-6.5) equation: 



30-4(20-2a)=12(a-6.5)

We move all terms to the left:

30-4(20-2a)-(12(a-6.5))=0

We add all the numbers together, and all the variables

-4(-2a+20)-(12(a-6.5))+30=0

We multiply parentheses

8a-(12(a-6.5))-80+30=0



We calculate terms in parentheses: -(12(a-6.5)), so:

12(a-6.5)

We multiply parentheses

12a-78

Back to the equation:

-(12a-78)



We add all the numbers together, and all the variables

8a-(12a-78)-50=0

We get rid of parentheses

8a-12a+78-50=0

We add all the numbers together, and all the variables

-4a+28=0

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

-4a=-28

a=-28/-4

a=+7

See similar equations:

| 1/4x−11=5 | | 6x+45=99 | | 6+9y=75 | | y=1/5+12 | | 2x+5+5x+x=180 | | -12x+3=-11x+4 | | 6x+10=10+4x | | x+7=-x+29 | | 1x+3x+8x=28 | | -7x-6=-71+6x | | -7+5x=2x-43 | | -5x-1=3x-17 | | 13x-92=103 | | 6x-9=-7x+17 | | 3/16+r=15/16 | | -4x+6=-54+x | | -x+7=34+2x | | -8-4=-7x+@ | | X=4y=19 | | 2x-7=x-16 | | (6x+15)+99=180 | | –6x–8=–2 | | 3(z-1)=z+15 | | -x-2=-4x+1 | | 5-3x=-6x+17 | | 2x+5=5x=180 | | x^2+8x+31=136 | | 5(z+1)=3z+9 | | r−21=6 | | 6x+31=97 | | 7(3a+3)+21=150+40 | | -3x-8=-57+4x |

Equations solver categories