3a+20=2(2a+9)

Simple and best practice solution for 3a+20=2(2a+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 3a+20=2(2a+9) equation: 



3a+20=2(2a+9)

We move all terms to the left:

3a+20-(2(2a+9))=0



We calculate terms in parentheses: -(2(2a+9)), so:

2(2a+9)

We multiply parentheses

4a+18

Back to the equation:

-(4a+18)



We get rid of parentheses

3a-4a-18+20=0

We add all the numbers together, and all the variables

-1a+2=0

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

-a=-2

a=-2/-1

a=+2

See similar equations:

| 4(3w+4)=52 | | 12w+3=3w-78 | | 7=-3+2z | | 23=32-x | | 5(x-3)+x-3=12 | | 2(3x-1)=2(6x+7) | | n(8n+13)=-3 | | 2x-9x+8=5x+40 | | 3x-9x+8=5x+40 | | 5x-9x+8=5x+40 | | 9x-9x+8=5x+40 | | 4x-9x+8=5x+40 | | 0.45x-x=5.5 | | 7x-9x+8=5x+40 | | 4k+5k+3=6+6k | | 6x-9x+8=5x+40 | | 8x-9x+8=5x+40 | | C=2x(3.14)x(3) | | 3(x-1)=37+8x | | 5n+7=7+5n | | -5x+3=2x+8 | | -1/4a=-8 | | 30+1.25(x)=0.75(x) | | -21x-63=-21 | | y=10000(1.75)^1 | | 15b^2=34b+12=-3 | | 3a^2+38a+34=0 | | p=6191(1.04)^6 | | F(x)=5x^2+10 | | 4(-8+1)+2b=3(2b-1) | | y=285(1+0.75)^1 | | 25000(0.86)^5=x |

Equations solver categories