-9x-21=-2x

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


Simplifying
-9x + -21 = -2x

Reorder the terms:
-21 + -9x = -2x

Solving
-21 + -9x = -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-21 + -9x + 2x = -2x + 2x

Combine like terms: -9x + 2x = -7x
-21 + -7x = -2x + 2x

Combine like terms: -2x + 2x = 0
-21 + -7x = 0

Add '21' to each side of the equation.
-21 + 21 + -7x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = 0 + 21
-7x = 0 + 21

Combine like terms: 0 + 21 = 21
-7x = 21

Divide each side by '-7'.
x = -3

Simplifying
x = -3

See similar equations:

| 714/27+83/4+181/9 | | 36*(3x)=21*(6x) | | 5n+zr=r-7f | | 6x^2=18(3) | | 36/6x=21/3x | | 0=-4x^3+24x^2-36x | | 91=4x^2 | | 5x^2-125x=0 | | 80/4000=x/6000 | | 3y^2=120 | | 1021/2-1013/4 | | 8x-9y=63 | | 8/8-4/8 | | w^2=48 | | 7.06=2(3.14)(R) | | 732/14=x/42 | | 14x^2-59x+190=0 | | 18y-6=0 | | 3y/10-4=y/5+5 | | 14/732=x/42 | | 12(4x-4)=4(12x+2) | | 4(x+2)=7(x-1)-9 | | 91=4x(x) | | 5(x+51/2)-2x | | 47+y+47=180 | | N^2+20n=-51 | | 8(5x-5)=20 | | 2(w+12)+2w=104 | | X+1.5X=15 | | 20x(x)=31(31) | | 4+9p-3=9p+22-3p | | 6*4/7 |

Equations solver categories