21=6x-4x

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


Simplifying
21 = 6x + -4x

Combine like terms: 6x + -4x = 2x
21 = 2x

Solving
21 = 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
21 + -2x = 2x + -2x

Combine like terms: 2x + -2x = 0
21 + -2x = 0

Add '-21' to each side of the equation.
21 + -21 + -2x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = 0 + -21
-2x = 0 + -21

Combine like terms: 0 + -21 = -21
-2x = -21

Divide each side by '-2'.
x = 10.5

Simplifying
x = 10.5

See similar equations:

| 24x10=21/2 | | (36-2x)/18 | | (7x-3)+x+(x-4)=646 | | 36-2x/18 | | 3x+6=105 | | 7/15x2/3 | | 7a+5b=-58 | | -8x+6(x-3)=-36 | | 5x+x+2=9x-14 | | 6(4x-3)+12X+10(x-4)=646 | | 4+2w=-10 | | .012n+0.07(4500-n)=0.08(4500) | | X-14=9x+18 | | (4x-3)+x+(x-4)=646 | | x-.4x=78 | | (-3/8)u=6 | | x*.4=78 | | 4*.4=78 | | x+4.5=15.9 | | .4x+.2(50)=.3(x+40) | | -2x+3(1-4x)=3-14x | | 5[-5(2x+4)+5(5x-5)]= | | -26+6x=4(6+4x) | | -20+5=4x+3-3x | | 0.4x+0.2x=5.58 | | 4x^2-25=37 | | 26+5y=12y-9 | | 3(2r+7)-4(r+9)= | | 4x-225=2025 | | (y+5)(y+5)=2y^2+3y+37 | | (3*sin(1.23))/(cos^2(1.23) | | 3(y^2+10y+3)= |

Equations solver categories