3x+4-x=12

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


Simplifying
3x + 4 + -1x = 12

Reorder the terms:
4 + 3x + -1x = 12

Combine like terms: 3x + -1x = 2x
4 + 2x = 12

Solving
4 + 2x = 12

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 2x = 12 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = 12 + -4
2x = 12 + -4

Combine like terms: 12 + -4 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

See similar equations:

| 5x-32+2x+61=180 | | 6m=4+2m | | 98(12-x)-128=46 | | c=120 | | 5x+31=16 | | 5x=31+16 | | x^3+3x^2+5+4x^3+2x-5= | | x^3-y^3+2x^2y-15=0 | | 12q/-7=30/14 | | X+(3+4X)=48 | | 96.8/t=12.1/7 | | 7y+7=5x | | -9x+18=-78 | | 76-11x=274 | | t/3.6=8 | | 64/-4 | | 2(x-5)+3(x+4)=7 | | 1/2b-3=-19 | | 12+6x-6x^2=0 | | 6-2/7h=-3 | | 5x+13+3x-5=180 | | 5/12=-1/2z | | 1/2(x+2/3)=5/4 | | -3.2-x=-19.4 | | -3.2-x=-19/4 | | 5x-11=-3x+5 | | 140-4x=32x+24 | | 1/2x-1=-1/3 | | 6+z=-2 | | x-2+x+5=180 | | 2+(a-1)=-1 | | X+(X+1)+(X+2)+(X+3)+(X+4)=395 |

Equations solver categories