4x-21=x-18

Simple and best practice solution for 4x-21=x-18 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-21=x-18 equation:


Simplifying
4x + -21 = x + -18

Reorder the terms:
-21 + 4x = x + -18

Reorder the terms:
-21 + 4x = -18 + x

Solving
-21 + 4x = -18 + 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.
-21 + 4x + -1x = -18 + x + -1x

Combine like terms: 4x + -1x = 3x
-21 + 3x = -18 + x + -1x

Combine like terms: x + -1x = 0
-21 + 3x = -18 + 0
-21 + 3x = -18

Add '21' to each side of the equation.
-21 + 21 + 3x = -18 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = -18 + 21
3x = -18 + 21

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

Divide each side by '3'.
x = 1

Simplifying
x = 1

See similar equations:

| 33y=4(8y-6) | | t-8=-12t+18 | | 8x-72=2x-36 | | 3(x+2)=7+2x | | 4a^2-3a-10=0 | | t^2+20t-4=0 | | 6x-68=2x-44 | | -99=-7+4(1-8x) | | 3x-71=2x-50 | | -2x-2x=14-2 | | (4x-38)=90 | | -2x+5x=24 | | 4x-18=x-3 | | 2a^3-18a^2-72a=0 | | 8x-90=2x-36 | | -72=4x-8 | | 2x^3/2=54 | | 21-7x=1-8x | | -8.5=6.3-w/2 | | 6x-64=2x-44 | | 21+k=58 | | c/10 | | 3x-61=2x-50 | | 22+k=58 | | Y=18+3x | | 11(r+6)=12r+52 | | 14t=15-2t | | 0.6x+5.5=3.4 | | x^4-15x+36=0 | | 3m^2+30m=75 | | 18r-12=192 | | 36=-2z-15 |

Equations solver categories