-3(-9a-21)+11=8(a-1)-9

Simple and best practice solution for -3(-9a-21)+11=8(a-1)-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 -3(-9a-21)+11=8(a-1)-9 equation: 



-3(-9a-21)+11=8(a-1)-9

We move all terms to the left:

-3(-9a-21)+11-(8(a-1)-9)=0

We multiply parentheses

27a-(8(a-1)-9)+63+11=0



We calculate terms in parentheses: -(8(a-1)-9), so:

8(a-1)-9

We multiply parentheses

8a-8-9

We add all the numbers together, and all the variables

8a-17

Back to the equation:

-(8a-17)



We add all the numbers together, and all the variables

27a-(8a-17)+74=0

We get rid of parentheses

27a-8a+17+74=0

We add all the numbers together, and all the variables

19a+91=0

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

19a=-91

a=-91/19

a=-4+15/19

See similar equations:

| 2y²+36y+9=0 | | 2(8a-27)+35=-14a+41 | | x+60+5x-40+100-2x=180 | | 50y+16=116 | | 6x-12x=2x+4 | | 11+a=4-6a | | -4x^+7x-3=0 | | 3x+8.4=12.6 | | 4-3n=5n+2 | | 5x-10+60+2x+x+50=180 | | 10g-4=5g-16 | | 5r+1=3r-9 | | Tn=n2−5n−3 | | 35+21x-6x-18=0 | | 3(3-2x)-(1+x)=10-13 | | 5x-45-21x-42=25 | | 2x-5÷5x+2=3÷22 | | (2x-5)÷5x+2=3÷22 | | X+17/5=x+1 | | X=x-80 | | 5-2(x=6)=14 | | 0=2x^2-14x+25 | | 26·(7y+5+3)=1,300 | | 4+42x=28x | | 0.8=2.3/x | | 7/8x−35=3 | | 34=6-7x | | 5u-9=21 | | 2x=8=-32-8x | | 2x(x+2x)=20 | | 6=4x+12 | | 1.3333333x=56 |

Equations solver categories