4x=x+21

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


Simplifying
4x = x + 21

Reorder the terms:
4x = 21 + x

Solving
4x = 21 + 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.
4x + -1x = 21 + x + -1x

Combine like terms: 4x + -1x = 3x
3x = 21 + x + -1x

Combine like terms: x + -1x = 0
3x = 21 + 0
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

See similar equations:

| 4x=x | | 10x-5x-20=60 | | 4d-35= | | 3y-6=2x | | (3x)*(2y)=37 | | 6x^2-21x+9=0 | | 5x+8+2x=55x | | (3*6.1666666)*2y=37 | | 6x-(2x-1)=2 | | 6.16666666*y=37 | | 3(x-2)-4=23 | | 7x^2-5x=0 | | 3x*2y=37 | | -19+2x=-7(4x+7) | | 9p^2-30p+22=0 | | 3x+2y=37 | | 81-16d=11d | | 3x^6-48x^2=0 | | .2(4-3x)+.3x=2.6 | | 3x+9=27 | | 7-x=-8 | | 12+3x=45 | | -18r+3r^2+15r^3=0 | | n^2+4n=32 | | x+.1428x=16 | | 3x^2+8x=0 | | 30=3x+21 | | 91=7(7n+6) | | 5f=41-3f-g | | x-11=25 | | y^4-14y^2+y^4=0 | | 10y=5 |

Equations solver categories