3x+9=31

Simple and best practice solution for 3x+9=31 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+9=31 equation: 


Simplifying
3x + 9 = 31

Reorder the terms:
9 + 3x = 31

Solving
9 + 3x = 31

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 = 31 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 31 + -9
3x = 31 + -9

Combine like terms: 31 + -9 = 22
3x = 22

Divide each side by '3'.
x = 7.333333333

Simplifying
x = 7.333333333

See similar equations:

| 11x-19=133 | | (x-20)(x-5)(x-18)=0 | | -4+12y+9=15+15y-25 | | 0=x^2-x-42 | | 9+7+3+5+6+7+7+4= | | 19-2x=-4x+17 | | (x-205)(x-18)=0 | | 2x^2+2x-31=0 | | (x-3)(2x-8)=0 | | 5x^2+3=33 | | 5x^2+13x+8=0 | | 59-3x=6x+17 | | 4x-7=2x+8 | | -x+y=5 | | 12-10x=157-45x | | (n-5)*9=45 | | n+.5n=198 | | 7n-29=27 | | 5x^2+16=9 | | 3x+7-9x=9x-9+x | | 3x+13=77-7x | | n^2-n=20 | | (n+5)*3=1 | | b^2-7b=0 | | 6x-9=4x+21 | | (n+2)*10=50 | | 3(4a+2)=2 | | X^2+8x-84=0 | | v^2-2v-3=0 | | 81x^2-4=0 | | 7n^2+10=276 | | 20r^2-45=0 |

Equations solver categories