21=3c-3(6-2c)

Simple and best practice solution for 21=3c-3(6-2c) 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=3c-3(6-2c) equation:


Simplifying
21 = 3c + -3(6 + -2c)
21 = 3c + (6 * -3 + -2c * -3)
21 = 3c + (-18 + 6c)

Reorder the terms:
21 = -18 + 3c + 6c

Combine like terms: 3c + 6c = 9c
21 = -18 + 9c

Solving
21 = -18 + 9c

Solving for variable 'c'.

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

Add '-9c' to each side of the equation.
21 + -9c = -18 + 9c + -9c

Combine like terms: 9c + -9c = 0
21 + -9c = -18 + 0
21 + -9c = -18

Add '-21' to each side of the equation.
21 + -21 + -9c = -18 + -21

Combine like terms: 21 + -21 = 0
0 + -9c = -18 + -21
-9c = -18 + -21

Combine like terms: -18 + -21 = -39
-9c = -39

Divide each side by '-9'.
c = 4.333333333

Simplifying
c = 4.333333333

See similar equations:

| 2+5-17n+9n= | | 3x+9-7x=10x+2-3x | | -0.10(11)+0.20x=0.05(x-16) | | m-0.5=5(w) | | 10q+5=5(2q+4) | | 3(1-6x)-x=-130 | | 19/15-2/3=x | | 2(3w-1)=6w-2 | | 15x+4=2x+7 | | -13m=337 | | -14+6x+4=2(-5+3x) | | X*.0795=50000 | | d=(1/2)gp | | sen(3x)=0.5 | | .11y+0.7(y+9000)=1710 | | -14+6x+4=3(-5+3x) | | X^2-1X=30 | | lx+1l=x^2-5 | | 80=(3)(x+6)(x+6) | | 2x+(x+6)=56 | | 288+4x=192+8x | | 7x+12+5x+7=9+10x+8 | | 3c=21m | | 17+-4x=-4 | | 3x-9y=30 | | -7x+20=-5(-7x-4) | | X^2+3X-2=28 | | Xz+4y=wforx | | 6n+4-4=-18 | | 2x=x^2-3 | | 2.5(-1/3) | | V+5-1=2 |

Equations solver categories