x+x=-9

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


Simplifying
x + x = -9

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

Solving
2x = -9

Solving for variable 'x'.

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

Divide each side by '2'.
x = -4.5

Simplifying
x = -4.5

See similar equations:

| -7x+10=10 | | P=3r+2s | | -6+2x=14 | | 56-4x=16 | | n=24+9n | | -7+4x=33 | | 4x-1=11x-62 | | 21x+27=48 | | n=5+2n | | 3=2x-7 | | -2x+2=-4 | | -x-4=2 | | 13x+8=60 | | 5x+18=15-62 | | 12x+8=32 | | 8-4x=-8 | | x+x+7=41 | | 11x-5=83 | | 50-2x=28 | | 5+6x=-1 | | -5x-8=2 | | -1x+10y=10 | | w^2-14w-4=0 | | x+196=0 | | 4x^2+8=400 | | 4x^3+6x^2-2=0 | | 16x^2=27 | | 2x^2+7=9 | | 5r-r= | | 7y-15=35(y+4) | | mn-4mn= | | mn-4mn+7mn+m-n= |

Equations solver categories