21-4x=6(x-1)-x

Simple and best practice solution for 21-4x=6(x-1)-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 21-4x=6(x-1)-x equation:


Simplifying
21 + -4x = 6(x + -1) + -1x

Reorder the terms:
21 + -4x = 6(-1 + x) + -1x
21 + -4x = (-1 * 6 + x * 6) + -1x
21 + -4x = (-6 + 6x) + -1x

Combine like terms: 6x + -1x = 5x
21 + -4x = -6 + 5x

Solving
21 + -4x = -6 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
21 + -4x + -5x = -6 + 5x + -5x

Combine like terms: -4x + -5x = -9x
21 + -9x = -6 + 5x + -5x

Combine like terms: 5x + -5x = 0
21 + -9x = -6 + 0
21 + -9x = -6

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

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

Combine like terms: -6 + -21 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

See similar equations:

| 12+9w=w-15 | | 2(x-7)-6=20 | | 9x^2-25y^2-6x-25y-19=0 | | .80x+.05(16-x)=.10(53) | | 11a-20=2 | | 8+5y=33 | | 4(x+1)-2(x-3)=24 | | 3x-9+6=20-3x+4x | | 4x-10y=34 | | -2-(h+5)=10 | | 2(2b-3)+3b=22-7b | | X^2-15x-5=0 | | -4-x=14-3y | | 6x+x+8=-20 | | 6-b=36 | | 3(2x)+1=25 | | 6+2r=36 | | 22=43-r | | 6x+1=6x+9 | | 3.1x-12.5=15.4 | | 1.54x-6.22=-2.19x+3.51 | | 17x-1=14x-10 | | 4(x+7)+6x=208 | | f(b)=2x^2+5x-7 | | 2x+39=5(x+6) | | 4(k-5)+12k=-4 | | 6.6x-9.6=10.2 | | f(-4)=2x^2+5x-7 | | 2x^3=2x^2 | | -2(d+5)=4 | | 0.10(x+5.00)=6 | | f(5)=2x^2+5x-7 |

Equations solver categories