9+2x-4x=21

Simple and best practice solution for 9+2x-4x=21 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+2x-4x=21 equation: 


Simplifying
9 + 2x + -4x = 21

Combine like terms: 2x + -4x = -2x
9 + -2x = 21

Solving
9 + -2x = 21

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 = 21 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = 21 + -9
-2x = 21 + -9

Combine like terms: 21 + -9 = 12
-2x = 12

Divide each side by '-2'.
x = -6

Simplifying
x = -6

See similar equations:

| 5w+3=-3(w-9) | | -4x-5-2x=-29 | | 2x-6+8=4x+2-10 | | 8.3=j+2.7 | | 18x^2-22x-28=0 | | 30-2n=2n+6 | | 2+5x-6x=17 | | 7(2x-1)=21 | | 4N+3=-2N+15 | | 11x+5.1=18x-1 | | .5x-1.25=3x+.5 | | (w-3)(w-3)=0 | | 2x-15=-5x+55 | | 24x^2+14x-3=0 | | x+(x+1.60)=65 | | 3x+10=37 | | 2x+4=26 | | 7x+22=92 | | 6x+37=15x-35 | | 8-x=5x-4 | | 6x-5=2x-21 | | 6x-4=7x+2 | | 3.5-0.02x=1.24 | | 8.8=-5.5+y | | 4(t-3)+8t=4(3t+5)-8 | | 17x^2-33x-2=0 | | -14-5x=11-10x | | 6x+50=9x+14 | | -8(2x-1)=36 | | 57-6x=8x+15 | | 3x+8=50-3x | | 15x^2=64 |

Equations solver categories