3(a-9)=18

Simple and best practice solution for 3(a-9)=18 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-9)=18 equation: 


Simplifying
3(a + -9) = 18

Reorder the terms:
3(-9 + a) = 18
(-9 * 3 + a * 3) = 18
(-27 + 3a) = 18

Solving
-27 + 3a = 18

Solving for variable 'a'.

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

Add '27' to each side of the equation.
-27 + 27 + 3a = 18 + 27

Combine like terms: -27 + 27 = 0
0 + 3a = 18 + 27
3a = 18 + 27

Combine like terms: 18 + 27 = 45
3a = 45

Divide each side by '3'.
a = 15

Simplifying
a = 15

See similar equations:

| Ln-8n=0 | | (u+5)*7=63 | | (q-9)*4=12 | | 6x^2+60x+900=0 | | (1[3-v]1)(1[2v+1]1)=0 | | 10x-21=6x-13 | | 4x+34+5x+12+7x-10= | | x+(x+136)=250 | | 42y+7=73 | | -22p-6(4-5p)=6(p-3)-2 | | 0.66x=0.5x+0.33 | | 4+66x=44x+22 | | x+(250-x)=250 | | f(x)=-0.1x^2-0.8x+35 | | 14x-112=8x-58 | | -5(v+4)+2v+5=7v+6 | | 76=12/2w | | x+12=2+y | | -5(6v-7)=-2v-37-4v | | 4/9=m/54 | | 12y+5=9 | | (x-15)(x-3)=0 | | f(-1)+g(-1)= | | 4x-13+5x+31=180 | | 5/9-(-8x/9) | | 3(3x+7)=4x+31 | | 1.5x+2=0.5+0.5x | | 100+3s=200 | | 9w-1/5-9w+3/4=-5 | | 10h-27=43 | | 3t+9=4t-2 | | 8z-12=2z+22 |

Equations solver categories