3(x+3)-6x=-21

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


Simplifying
3(x + 3) + -6x = -21

Reorder the terms:
3(3 + x) + -6x = -21
(3 * 3 + x * 3) + -6x = -21
(9 + 3x) + -6x = -21

Combine like terms: 3x + -6x = -3x
9 + -3x = -21

Solving
9 + -3x = -21

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -3x = -21 + -9

Combine like terms: 9 + -9 = 0
0 + -3x = -21 + -9
-3x = -21 + -9

Combine like terms: -21 + -9 = -30
-3x = -30

Divide each side by '-3'.
x = 10

Simplifying
x = 10

See similar equations:

| 5(2x+2)=3(3x-1)+x+13 | | 4x-16+2x=7+6x-22 | | 2y+y-2y=14 | | 3y^2+3z^2=10+6y+12z | | 3n-17=5n+19 | | 15x^2-144x-48=0 | | 6d+2(d-13)=d(5-5) | | 6d+3c-d-2c= | | 10=5x+8 | | 15-6x=-3 | | 3x+15+4x=-12 | | X+3x=560 | | 0.1(0.04)=0.2(0.04+2) | | T^2-10t=-9 | | y=2x^2-3-3-2 | | 12m-7m-2m-3m+m=17 | | 5x+y=264 | | 4g+5h+3g+h= | | x^2-30x+90=0 | | 7g+6h= | | 20*n=1500 | | 9m-2=m+9 | | 27x(x+11)= | | (5-r)+(12-r)=13 | | 3(4x+6)+7(5x-8)=-38 | | -3(7x-5)=-21x+15 | | 9+3y-7=9y+14-4y | | nx+b=9(x-9)forx | | y+2-1.5=0 | | nx+b=9(x-9) | | 10x+19=10x-19 | | (x+1)(-2x-2)=0 |

Equations solver categories