21-3x=6

Simple and best practice solution for 21-3x=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 21-3x=6 equation: 


Simplifying
21 + -3x = 6

Solving
21 + -3x = 6

Solving for variable 'x'.

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

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 = -15
-3x = -15

Divide each side by '-3'.
x = 5

Simplifying
x = 5

See similar equations:

| 9x-3=2(3x+3) | | (21x-6)=(19x+6) | | 8+(a-3)= | | 8+4x-1-3x+1=20 | | 3x-1=-2x-6 | | -4(r+6)=-59 | | -9.5x=-0.95 | | -8(x-3)-30=-6 | | 8x-5y=26 | | 4x-14=55 | | (29x+4)=(31x-4) | | 12=5b-7b | | (X+8)+(x-3)=70 | | 3y+(-7)=200 | | 8-3x=2x+8 | | [15-3(x-2y)]+6(5x+y)= | | (9-7x)-(x+8)= | | -2(5x-6)=2x-12 | | 8x-0.1=0.5-0.2(4-5x) | | 13(t-2)+5t=6(3t+4)-8 | | (3x-5)-(-4x+1)= | | 6-(3-c)= | | 15=5-5x | | 3x^2+2x+120=0 | | 5x+(-x)+(-1)=5-2x | | -70=-5(1-2p)-5 | | -70=-5(1-2p)-5 | | 2x-5(x-5)=-9+3x+16 | | 16+x=-x | | 30=1.24c | | 16x+4y=180 | | -8x-0.1=0.5-0.2(4-5x) |

Equations solver categories