4x-21=x-15

Simple and best practice solution for 4x-21=x-15 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-15 equation:


Simplifying
4x + -21 = x + -15

Reorder the terms:
-21 + 4x = x + -15

Reorder the terms:
-21 + 4x = -15 + x

Solving
-21 + 4x = -15 + 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 = -15 + x + -1x

Combine like terms: 4x + -1x = 3x
-21 + 3x = -15 + x + -1x

Combine like terms: x + -1x = 0
-21 + 3x = -15 + 0
-21 + 3x = -15

Add '21' to each side of the equation.
-21 + 21 + 3x = -15 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = -15 + 21
3x = -15 + 21

Combine like terms: -15 + 21 = 6
3x = 6

Divide each side by '3'.
x = 2

Simplifying
x = 2

See similar equations:

| 3x=-4 | | v*-3+8=22 | | x-4=5x(y-2) | | -2x^2-x+12=-3x^2+6x | | (2x-3)(3x-2)=0 | | 7(x-3)+8=7x+7 | | 0.2(20)+x=0.3(20+x) | | -5y+5=-5x-32 | | 2(3a+3)=3(2a+2) | | x=1.5+.75*1.5 | | 2-z=3-4z | | 7x^2-42=-35x | | 7y=5y-3 | | 8x^2+12x=0 | | 43-8w=25+w | | (2k-5)=23 | | 2p^2-9p=45 | | 0.7a-0.6(60+a)=-0.5(60) | | -3+c*2=12 | | 43-8x=25+w | | 12+-8=52 | | 13+a*4=-3 | | (y-8)(y-9)=0 | | 12x+1=3x-8 | | 7x^3(2x+3)= | | 6a+5b-3b= | | -9a=-72 | | 3(n+5)=3n+5 | | 4n=-2n+3 | | 3z-1=26 | | 7(6-x)=63 | | -6(1-5y)=54 |

Equations solver categories