21-2x-3=x

Simple and best practice solution for 21-2x-3=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 21-2x-3=x equation:


Simplifying
21 + -2x + -3 = x

Reorder the terms:
21 + -3 + -2x = x

Combine like terms: 21 + -3 = 18
18 + -2x = x

Solving
18 + -2x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
18 + -2x + -1x = x + -1x

Combine like terms: -2x + -1x = -3x
18 + -3x = x + -1x

Combine like terms: x + -1x = 0
18 + -3x = 0

Add '-18' to each side of the equation.
18 + -18 + -3x = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 0 + -18
-3x = 0 + -18

Combine like terms: 0 + -18 = -18
-3x = -18

Divide each side by '-3'.
x = 6

Simplifying
x = 6

See similar equations:

| 4/3=-6n/2 | | x^2+9x+64=0 | | 2+7m=19.5 | | 8/5x-6=0 | | 7m+5+m=-11 | | 8/x=-2/10 | | x^3+3x^2+3x+0.2=0 | | 2x^2-4x+8x^2-3(x+2)-x^2-2= | | x^3+3x^2+3x+1=1.2 | | 1+11a-8=10(8a-2)-5(7a+11) | | 0.25-2/5 | | -8x+4(x-3)=2(x+2)+5 | | x+(x+0.06)=500 | | (7+u)(3u+8)=0 | | -5(-10n+6)=-5(-11-9n) | | 12-7(x-4)+x=-2x | | (2x+5y)(3x-2y)= | | 224=2w+2(2w-8) | | 3x-6y=5x+4 | | 6x*2+x-2=0 | | x+(x+0.6)=500 | | 14=0.6x-(10+0.2x) | | 4=(3/w+2) | | 3+(2+8)=n+10 | | (11y/10)+2=(9y/8) | | 15x+11=23x+7 | | 7(1-7x)-11=5(-9x+12) | | 9(2x+5)=6 | | (u/5)-(9/20)=(u/4) | | 350=2w+2(3w-5) | | D(t-6)= | | u/5=(u/3)+4 |

Equations solver categories