-9x-21=-x

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


Simplifying
-9x + -21 = -1x

Reorder the terms:
-21 + -9x = -1x

Solving
-21 + -9x = -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-21 + -9x + x = -1x + x

Combine like terms: -9x + x = -8x
-21 + -8x = -1x + x

Combine like terms: -1x + x = 0
-21 + -8x = 0

Add '21' to each side of the equation.
-21 + 21 + -8x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -8x = 0 + 21
-8x = 0 + 21

Combine like terms: 0 + 21 = 21
-8x = 21

Divide each side by '-8'.
x = -2.625

Simplifying
x = -2.625

See similar equations:

| -4x+5*2x=6 | | 40=6(t)+-14 | | 3(x+6)=5x-2 | | 4(x-2)-10x=-10 | | 4*r^2+11*r-3=0 | | 10+5(u)=25 | | -3x-3-6x=15 | | -36+9(2b+6)+6(3b-3)= | | -.3a-0.5(a+16)=0.8(a+15) | | -12x-29=77 | | 8x-101=x-74 | | 6x^2+6x=2x^2-2 | | -x+3x=-12 | | 6x^2+2x=2x^2-1 | | -x-5x-x= | | 24=-3(x-2)+3 | | 2x^2+2x=x^2-1 | | 93=-u+291 | | 6x^2+6x=2x^2+1 | | 4(x-7)-7=-35 | | -3x+4*1=-17 | | 5.5y-6.7=30.70 | | 290=-w+207 | | -2+2=24 | | 205-u=273 | | 4x-8x-16=-4x+-7 | | .12x+.09(5000-x)=513 | | 5y-7=118 | | 3x+2=4x-18 | | -1=5w+4 | | 18b+30=12b-42 | | 6t= 3 |

Equations solver categories