3(a-3)=30

Simple and best practice solution for 3(a-3)=30 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(a-3)=30 equation: 


Simplifying
3(a + -3) = 30

Reorder the terms:
3(-3 + a) = 30
(-3 * 3 + a * 3) = 30
(-9 + 3a) = 30

Solving
-9 + 3a = 30

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 3a = 30 + 9

Combine like terms: -9 + 9 = 0
0 + 3a = 30 + 9
3a = 30 + 9

Combine like terms: 30 + 9 = 39
3a = 39

Divide each side by '3'.
a = 13

Simplifying
a = 13

See similar equations:

| 3x-42+x+42=180 | | 8-n/5=5 | | (u+4)*9=72 | | 6n+2n=-6 | | qu+uw=x | | 6(6x-6)=36x+36 | | 17/11=x/4 | | 2x+41+57=180 | | 10-3(x-1)=4 | | 4y+8=2(y+9) | | 4-9=13r+18 | | 28=5xr | | mx+(2-m)y+7m-10=0 | | 28=55xr | | 3x+36+3x+36=7x | | 3x-8+3x+14=90 | | 4(8x-8)+14x= | | -6a=108 | | 11/10x100 | | iamfrey=293 | | 7(x+2)-5=44 | | 6(-2)+2(-2)=-16 | | 5(t-6)+5t=5(2t+3)-11 | | 86=n-33 | | -14+6b+7+-2h=1+5b | | x^2-6x-16=-16 | | x-20+185-2x=90 | | 6=-(-x+1) | | 17+-3x+3=-2x+-6x | | 3m+2m=12 | | 6.3+1.3n=3.44 | | 8x^2+50x+57=0 |

Equations solver categories