-21=3x-6

Simple and best practice solution for -21=3x-6 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=3x-6 equation:


Simplifying
-21 = 3x + -6

Reorder the terms:
-21 = -6 + 3x

Solving
-21 = -6 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-21 + -3x = -6 + 3x + -3x

Combine like terms: 3x + -3x = 0
-21 + -3x = -6 + 0
-21 + -3x = -6

Add '21' to each side of the equation.
-21 + 21 + -3x = -6 + 21

Combine like terms: -21 + 21 = 0
0 + -3x = -6 + 21
-3x = -6 + 21

Combine like terms: -6 + 21 = 15
-3x = 15

Divide each side by '-3'.
x = -5

Simplifying
x = -5

See similar equations:

| 6(x-3)=-40 | | 49=2w+17 | | f(3x^4)=x^2/2 | | 48=-4x+20 | | 4x^2+y^2-4xy-4=0 | | n-6-8n-3=0 | | 2x-5(x-4)=11 | | (-8/-7)2 | | 1-f=18-3f | | 3x/17x=4.4 | | 10+4x=-8X | | x-5=-3-7 | | 43=3x+10 | | -8(-7d-2)=-40 | | 6x+8x+110=180 | | 128+(x+20)=180 | | 8n+7-6=0 | | -6x+-10=-1x | | 29=4v-15 | | 39-86=11 | | 8=7-20 | | 9a+9+6=0 | | 6x-21-(x+5)=-6 | | 47=2v+9 | | 15x=4x+22 | | 5x-2(x-3)=-8+5x+2 | | 94=4w+14 | | -6x-43=-3x+11 | | n*1/5=3/4 | | -7x-38=61+4x | | -x+2=-(-2)-3 | | (7+a)8= |

Equations solver categories