12(x-3)=3x+21

Simple and best practice solution for 12(x-3)=3x+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 12(x-3)=3x+21 equation:


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

Reorder the terms:
12(-3 + x) = 3x + 21
(-3 * 12 + x * 12) = 3x + 21
(-36 + 12x) = 3x + 21

Reorder the terms:
-36 + 12x = 21 + 3x

Solving
-36 + 12x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-36 + 12x + -3x = 21 + 3x + -3x

Combine like terms: 12x + -3x = 9x
-36 + 9x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-36 + 9x = 21 + 0
-36 + 9x = 21

Add '36' to each side of the equation.
-36 + 36 + 9x = 21 + 36

Combine like terms: -36 + 36 = 0
0 + 9x = 21 + 36
9x = 21 + 36

Combine like terms: 21 + 36 = 57
9x = 57

Divide each side by '9'.
x = 6.333333333

Simplifying
x = 6.333333333

See similar equations:

| 2x/5-9y=6 | | N/-9=-108 | | 2/3-3=y | | A=yt+r | | 8x^2+36x+40=0 | | T+8-t=7 | | 20=-9+6(a-7) | | 3h+5=19h+5 | | 2t-3r+8=3r-8 | | 5/6×2/3 | | 1/5*175-1=s | | b=(v/v4) | | x+6x-15+3x=180 | | 6x+11-9x=-13x+10x-8 | | 5x-21=64 | | x^4+8x^2-4x^2y+16=0 | | 4K=-2k+24 | | M=-24-(24) | | X=(-36)+(-12) | | 9/2=-3u | | 16x^3-3x^2=0 | | ax-5=fora | | 6(1.3-3)=2.6x-5 | | -36=-6/5v | | 83+51+7b-10=180 | | (6x+4)(4x-7)= | | 36+u=6(7-u) | | -4/3w=12 | | X/5=10/4= | | 5/8=w=3/12 | | x^3-6x^2=128 | | n+13=(-28) |

Equations solver categories