3x+4=9x-12

Simple and best practice solution for 3x+4=9x-12 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+4=9x-12 equation:


Simplifying
3x + 4 = 9x + -12

Reorder the terms:
4 + 3x = 9x + -12

Reorder the terms:
4 + 3x = -12 + 9x

Solving
4 + 3x = -12 + 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.
4 + 3x + -9x = -12 + 9x + -9x

Combine like terms: 3x + -9x = -6x
4 + -6x = -12 + 9x + -9x

Combine like terms: 9x + -9x = 0
4 + -6x = -12 + 0
4 + -6x = -12

Add '-4' to each side of the equation.
4 + -4 + -6x = -12 + -4

Combine like terms: 4 + -4 = 0
0 + -6x = -12 + -4
-6x = -12 + -4

Combine like terms: -12 + -4 = -16
-6x = -16

Divide each side by '-6'.
x = 2.666666667

Simplifying
x = 2.666666667

See similar equations:

| 7p-49=p-1 | | 2x(2x-5)=2 | | x=12x-208 | | 7x-2=4x-5 | | 17+2t-6t^2=0 | | 625=(n-1)*n | | 0=320t-16t^2 | | 2ln(3x+8)=18 | | (4c-8d)(4c-8d)(4c-8d)= | | x+42=-18 | | -(m+5n-12)= | | 0=t(320-16t) | | N^2-n-625=0 | | -7f-9=12 | | -8y^2+8y-2=0 | | 0.333y-5=-19 | | -(m+4n-11)= | | -3(4f+3)+4(6f+1)=43 | | 3+2x=-2(x+3) | | -20.1p-4(-2.3-5p)=8.4 | | -3k^2+6k-3=0 | | (5x-y)dx+3x*dy=0 | | -2(3G-7)=31-2G | | -200+-32m+216=-66+5m+202+-9m+m | | 12=-7f-8 | | 12x+9x=84 | | 200-32m+216=-66+5m+202-9m+m | | 7(1-4x)=7-5x | | 3a-2=18 | | -(m+8n-12)= | | -9q-4-q+7=17-10a-4a+6 | | 3x-11-7x=9x+3+x |

Equations solver categories