3x-12=9x+18

Simple and best practice solution for 3x-12=9x+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 3x-12=9x+18 equation:


Simplifying
3x + -12 = 9x + 18

Reorder the terms:
-12 + 3x = 9x + 18

Reorder the terms:
-12 + 3x = 18 + 9x

Solving
-12 + 3x = 18 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-12 + 3x + -9x = 18 + 9x + -9x

Combine like terms: 3x + -9x = -6x
-12 + -6x = 18 + 9x + -9x

Combine like terms: 9x + -9x = 0
-12 + -6x = 18 + 0
-12 + -6x = 18

Add '12' to each side of the equation.
-12 + 12 + -6x = 18 + 12

Combine like terms: -12 + 12 = 0
0 + -6x = 18 + 12
-6x = 18 + 12

Combine like terms: 18 + 12 = 30
-6x = 30

Divide each side by '-6'.
x = -5

Simplifying
x = -5

See similar equations:

| 3u+8=-13 | | 3w+3+w=7 | | 64m^2+16m-1= | | -15=-5+5u | | 4n^3-32n^2-36n=0 | | 8d+4d-5d-4=36 | | 6c*8c-6c+2c*8c-2c= | | 64m^2+16m+1= | | -9(4)+y=5 | | 4134=39(p+40) | | x^4-19x^2+81=0 | | 4134=9(p+40) | | 5p^2-4p-9=0 | | -9(-2)+y=5 | | 4+3w=-5 | | (6+4i)-(7+8i)= | | 2x-5[2x-2/5]=18 | | z/5=-1 | | 5r^2+40r=0 | | 150m-75m+53350=55000-200m | | 42/3÷6=8/x | | 2x^2+7x+78=0 | | (2x)5x= | | -6(m-8)=12 | | 5x+10(-2+x)=40 | | 15-3x=0 | | 5(x-4)-4x=-5 | | 2(5+3)=46 | | 5c+8=7c+2 | | 3y+15x=30 | | 5/6*4.8 | | 12.4=a+(-7.9) |

Equations solver categories