21=-6x-9

Simple and best practice solution for 21=-6x-9 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 21=-6x-9 equation:


Simplifying
21 = -6x + -9

Reorder the terms:
21 = -9 + -6x

Solving
21 = -9 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
21 + 6x = -9 + -6x + 6x

Combine like terms: -6x + 6x = 0
21 + 6x = -9 + 0
21 + 6x = -9

Add '-21' to each side of the equation.
21 + -21 + 6x = -9 + -21

Combine like terms: 21 + -21 = 0
0 + 6x = -9 + -21
6x = -9 + -21

Combine like terms: -9 + -21 = -30
6x = -30

Divide each side by '6'.
x = -5

Simplifying
x = -5

See similar equations:

| 2x/9=-.65 | | 1y+3=2y-1 | | 9b-9=261 | | (2p+3)(p-2)= | | 6+49x=29x+12 | | 3d+4=-134 | | -x^2+14=3 | | 8-5(1-3n)= | | 3d+8=80 | | (2x+18)=(2x+18) | | -6p=300 | | x^3+4x=-5 | | 35=2y-5 | | 76=8+(3h+7) | | 3x^2-46=-4x^2-5x-30 | | -30m-12=54 | | 6=m/8 | | 4c=-84 | | 3w+10=4w-(8) | | 3x-y=-2forx | | X-5=x(.75) | | e/3=7 | | y=9(0)-9 | | 3e=108 | | 2(x-3.20)=6.40 | | -5(m+40)=5m(10+25) | | x/6-6=(-14) | | 0=9(0)-9 | | x^3+4x+1=2 | | 21=12x-3 | | x^3+4x-1=2 | | x/2-6/7 |

Equations solver categories