3(9-x)=21

Simple and best practice solution for 3(9-x)=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(9-x)=21 equation: 


Simplifying
3(9 + -1x) = 21
(9 * 3 + -1x * 3) = 21
(27 + -3x) = 21

Solving
27 + -3x = 21

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + -3x = 21 + -27

Combine like terms: 27 + -27 = 0
0 + -3x = 21 + -27
-3x = 21 + -27

Combine like terms: 21 + -27 = -6
-3x = -6

Divide each side by '-3'.
x = 2

Simplifying
x = 2

See similar equations:

| -3.6t=101.88 | | -u=54 | | 2x-5(x-2)=-3+5x-11 | | 4y+10=73 | | 783=0t | | a-7.5=-3.1 | | 1/4(x-12)=-3/4(x-8) | | 44g=210 | | -10+q+10q=-30 | | -7/22x-4 | | 3x-5=13x-50 | | (9-10)c=31 | | n+6.7=55.6 | | w+7.9=29.9 | | X÷21=1/2 | | 0=(16-11)h | | (3n-6)(180)=360 | | 4000-160p=2500 | | 5-1=79 | | 11x-5=5x+2 | | 35=54+d | | 0=(22-22)k | | 2pair=r | | 35000.00+1680.00x=175000.00+550x | | 8(4x-5)=40 | | -3.94y=0 | | -4(1-6m+n)= | | 2c=20p | | x/126=1/3 | | 4y-4=-124 | | 38=51+m | | x^3+12x+3=0 |

Equations solver categories