9+9=X

Simple and best practice solution for 9+9=X 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 9+9=X equation:


Simplifying
9 + 9 = X

Combine like terms: 9 + 9 = 18
18 = X

Solving
18 = X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
18 + -1X = X + -1X

Combine like terms: X + -1X = 0
18 + -1X = 0

Add '-18' to each side of the equation.
18 + -18 + -1X = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -1X = 0 + -18
-1X = 0 + -18

Combine like terms: 0 + -18 = -18
-1X = -18

Divide each side by '-1'.
X = 18

Simplifying
X = 18

See similar equations:

| 2x-5x=27 | | X+8=24 | | 0.7x=28 | | 2(4x+3)=6x+14 | | ln(9+x)=2 | | (X^2+6)=(36+X) | | 18=x+(x-5)/2*3 | | 32x^2+66x-4=0 | | 18=x+(x-5)*3 | | Q^2+19=-20q | | (X^2+8)=(56+2x) | | 4y^2+31y=8 | | b^2-11b=-24 | | 51x^2=-17x | | -8u^2+28u=0 | | (4p-7)(p+5)=0 | | -11-9x=10x+22 | | 20.6+2.1x=-8.2 | | 52x*3+28(3+2x)=58-13x | | -33+17=0 | | 3x+33=0 | | 5(t-0.4)+6t=0 | | 1.2c+2.6=4.56 | | (-3x)+17=16 | | -0.5+4+2x=9 | | 5(x-5)+2(14-3x)=7 | | 5(x-5)+2(14-14-3x)=7 | | 1/3(x+2)-x+4/4=3/4 | | -1/2(-x-6)=-x | | 5x+1y+0.25z=100 | | 108-2x=25x+15 | | -7(x-2)=3x-1 |

Equations solver categories