3x-21=72

Simple and best practice solution for 3x-21=72 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-21=72 equation: 


Simplifying
3x + -21 = 72

Reorder the terms:
-21 + 3x = 72

Solving
-21 + 3x = 72

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 3x = 72 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 72 + 21
3x = 72 + 21

Combine like terms: 72 + 21 = 93
3x = 93

Divide each side by '3'.
x = 31

Simplifying
x = 31

See similar equations:

| 9-10f=-4f-7f+2 | | 2.68=4.5p | | X*2-3x=0 | | xy+9=0 | | 7x+3+5x=99 | | 44+.06x=35+.09x | | -25=-4+3(4x+5) | | h=4vt+18tsuqare | | 2.68p=4.5 | | 3=x/-3 | | 44+.06x=35+0.9x | | 10+3y=-20 | | 5(x-2)+10=(x+6)-3(x+2) | | 8y+7=6y+10 | | 35y+5=25 | | 2[4+8(4-3)]= | | 5=h-3 | | x=(2x+11)+(4x+5) | | (2-7i)(-1+4i)= | | sec^2x+secx-6=0 | | =(2-7i)(-1+4i) | | 26.2=3.5h | | -5-6w+5w=10w-5 | | x=(2+11)+(4x+5) | | (-6+-1x)(5+-1x)= | | 5w^2-39w+28=0 | | 6=15+11x | | 393.75=37.5j | | 7e+9=9e-2 | | ln(x)-ln(9)=0 | | 8+3x-6x=23 | | 9r=4r+40 |

Equations solver categories