x+3(x-1)=9

Simple and best practice solution for x+3(x-1)=9 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 x+3(x-1)=9 equation:


Simplifying
x + 3(x + -1) = 9

Reorder the terms:
x + 3(-1 + x) = 9
x + (-1 * 3 + x * 3) = 9
x + (-3 + 3x) = 9

Reorder the terms:
-3 + x + 3x = 9

Combine like terms: x + 3x = 4x
-3 + 4x = 9

Solving
-3 + 4x = 9

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 4x = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 4x = 9 + 3
4x = 9 + 3

Combine like terms: 9 + 3 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

See similar equations:

| 3y+(y-2)=2(2y-1) | | x^3+x+1=9 | | -4x+5/6=-523/6+4x | | (3x+4)/(x^2-9x+20) | | 1-x+2x=7 | | (7/m+4)+(8/m)=(2m+4)/(m^2+4m) | | 6.4x-2.1x=129 | | 2q-6=-2 | | 17=-204 | | 15.6/2.4 | | 15=0 | | r^2-7r-10=0 | | 750=(4x)+(0.5x) | | -7x-1+x=-25 | | 17x-x^2=0 | | 9m-8m+1=11 | | -3+19-(-14)+10= | | 7x+3+2x=66 | | -2x^4+9=3x+5 | | 1/3n=-8 | | 2,5x+5,6=12 | | 3x+2+4x-5=39 | | -4=2x^4-3x | | 1=-5x+6x-4 | | 775/1250 | | 2x^2+12096/x | | -2-6x-7x=-119 | | 9x=18-6y | | 3/5x-8/15=5 | | x^2-3.3x-0.7=0 | | 5/6d-9/8d | | 7n-16n=54 |

Equations solver categories