x+x+9=39

Simple and best practice solution for x+x+9=39 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 x+x+9=39 equation: 


Simplifying
x + x + 9 = 39

Reorder the terms:
9 + x + x = 39

Combine like terms: x + x = 2x
9 + 2x = 39

Solving
9 + 2x = 39

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 2x = 39 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 39 + -9
2x = 39 + -9

Combine like terms: 39 + -9 = 30
2x = 30

Divide each side by '2'.
x = 15

Simplifying
x = 15

See similar equations:

| 14+-14+3X=95+-14+-6x | | 6(x-4)=-9(x+1)+10 | | -2y+7=3y-23 | | -2(-n-8)=17 | | 5w+8-w=6w-2w-4 | | 2x+33=10x-35 | | 18ab^2c+27a^2bc-24abc^2+6abc= | | 11-2v+3=-2v-8 | | -10(n-5)=100 | | 17-p=3 | | 2x+x=30 | | x*x=112896 | | 9x^2y-12xy^2+15xy= | | 2x+x+4x=21 | | 18+4.6/-2= | | 16x-10=12x+6 | | 7y+4=3y+8 | | 9x-2=3x+2 | | y=6+15 | | 2y-y=16-6 | | -31+-3x=14-8x | | 20y=14y+30 | | 5(x-1)-(6x-7)=4(5x-1)-15 | | y=2+11 | | 7x-14=3x+2 | | 9m-9=4m-49 | | y=2+8 | | 4x+9=6x+3 | | 8n-3=6n+5 | | 3*x-7=-36 | | 6x+13=112+5x | | 12.6x-2.1x=315 |

Equations solver categories