12-x=9-x

Simple and best practice solution for 12-x=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 12-x=9-x equation: 


Simplifying
12 + -1x = 9 + -1x

Add 'x' to each side of the equation.
12 + -1x + x = 9 + -1x + x

Combine like terms: -1x + x = 0
12 + 0 = 9 + -1x + x
12 = 9 + -1x + x

Combine like terms: -1x + x = 0
12 = 9 + 0
12 = 9

Solving
12 = 9

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

See similar equations:

| (9-x)-6=2 | | [sqrt;[[[64]/[81]]]]= | | 16-x=x+8 | | [sqrt;[[[64]/[81]]]] | | 6r+10=-7(r+6) | | (u-2v+6)(6u-7v)= | | 19.5*x^2-357*x+1156=0 | | 5x-6(x-7)=-15x | | 4x-3(2/3)=10 | | 4+x=x+4 | | 35186+.01x=37650 | | (10-x)-6=2 | | -9+5n=7(n+1) | | 18-x=x+10 | | 3/√2x | | -56=17x-13x | | -6(-8x+6)=-420 | | -10-4(x-7)=-2-14x | | 20v^2-11c=15 | | 6(3q^2+2q^1)=0 | | (2x)-y=-114 | | 11x+7=11+4+10x+4 | | -7x+2(-2x-4)=47 | | -2+7(6x-7)=-261 | | X+30=4x+6 | | 6+x-6+11=1+3x | | 55x+.45+300=2335 | | 6.7x-3+4x-1.2= | | 10k/10= | | 10x+6-2(3x-3)= | | 6(x+3)+8x=102 | | ln(2x-3)=7.4 |

Equations solver categories