2x+x+3=12

Simple and best practice solution for 2x+x+3=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 2x+x+3=12 equation: 


Simplifying
2x + x + 3 = 12

Reorder the terms:
3 + 2x + x = 12

Combine like terms: 2x + x = 3x
3 + 3x = 12

Solving
3 + 3x = 12

Solving for variable 'x'.

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

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

Combine like terms: 3 + -3 = 0
0 + 3x = 12 + -3
3x = 12 + -3

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

Divide each side by '3'.
x = 3

Simplifying
x = 3

See similar equations:

| 2x-20=x+12 | | n/11=-12 | | (7x-10)(2x+3)= | | -6=a/18 | | Y=-7E-05X+2.7761 | | (3x-9)(2x+7)= | | 11x+9=5+27 | | 20-3x=2x+4 | | 40+40(0)+1= | | 3-7n+2=12 | | -45=6x-9 | | -75=-5a-5 | | 3x=5-(-19) | | 6.3=0.7 | | 6=w/9.6 | | ((4x^2)/(3x+21))/((7x/5x+35)) | | x/48=-2+24 | | -36=18n | | -18=-p-24 | | 22=p+7 | | (w-3/4)=(5/6) | | 6y^3-4y^2+2y= | | C+18=29 | | 4X+3Y=63 | | 14/5x-x+1/x=5/6 | | 21=x+19 | | m-14=-27 | | -3(-8v+7)-3v=5(v-5)-8 | | 15+71=12 | | -16=n-15 | | 3-(x-8)=13 | | 3x(3x+2)=5 |

Equations solver categories