3x+3-6x=21

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


Simplifying
3x + 3 + -6x = 21

Reorder the terms:
3 + 3x + -6x = 21

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

Solving
3 + -3x = 21

Solving for variable 'x'.

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

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

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

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

Divide each side by '-3'.
x = -6

Simplifying
x = -6

See similar equations:

| 4÷2/3 | | 6m-3=-6(2-m) | | 78=3+2x+x | | d-5=3 | | 24p^3+15p^2-56p-35=0 | | 35*70=m*35 | | 8(25.375-0.375y)+5y=189 | | 3x+(7x+40)=180 | | -8n-8(5-3n)=32+16n | | 2b+48=3b-24 | | -27=9(2-7) | | 4+3X=27 | | x-0.94=4.318 | | 4x+21x-1=5(5x+3) | | 8+2x-5=14 | | y=2x^2-28x+99 | | 29/9x7/3 | | -2.5x-2=-5.7+6 | | y^2-16y=272 | | 14x=245 | | 6a-14=6a-14 | | 3(x+8)+1=-3(x+4)+x | | 300x^2-750x+1.5625=-625+1.5625 | | 8n-5n=24 | | 3x-3=2x+15 | | 3x+2(x-1)=13 | | x(7x+6)=0 | | 6.4x=28.7 | | k-1-5k=-21 | | 19+x=5(0.2x+2) | | x+3=-5x+5 | | 4(25.375-0.375y)+5y=189 |

Equations solver categories