-2x+21=x-6

Simple and best practice solution for -2x+21=x-6 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 -2x+21=x-6 equation:


Simplifying
-2x + 21 = x + -6

Reorder the terms:
21 + -2x = x + -6

Reorder the terms:
21 + -2x = -6 + x

Solving
21 + -2x = -6 + 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 + -2x + -1x = -6 + x + -1x

Combine like terms: -2x + -1x = -3x
21 + -3x = -6 + x + -1x

Combine like terms: x + -1x = 0
21 + -3x = -6 + 0
21 + -3x = -6

Add '-21' to each side of the equation.
21 + -21 + -3x = -6 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = -6 + -21
-3x = -6 + -21

Combine like terms: -6 + -21 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

See similar equations:

| =8xy-2xy | | Y=20x-100 | | log(x-1)-log(x)=log(x-3) | | 3y-16y^2+16y^3= | | 8+5x=2+7x | | -0.50x-4.5=2x+13 | | 8+5x=2-7x | | 5x-4x=-1-6 | | 8-5x=2+7x | | 73+73+17w=180 | | 6+3+7x=10 | | 2p+p+66=180 | | 6+3+5x=30 | | 3(x+3)+4(x-2)=6x-5+8 | | 4x^2-31x+112=0 | | x^2+-6x+-5=0 | | 20y+34x+180z=0 | | 40*a=2400 | | x-16+x+67+x=180 | | 5y-9y=-28 | | 30*a=900 | | 18=.5x^2 | | x-16+x+67X=180 | | 2x+.75=5 | | 2+5=8+2 | | 4x+6x+12=32 | | 20*a=1200 | | 17=7c+4 | | 7x+5=11x-3 | | 10b+b= | | 3x-48=-4 | | 2(x^2+10x-56)=0 |

Equations solver categories