3x-9=9(x+1)

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


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

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

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

Solving
-9 + 3x = 9 + 9x

Solving for variable 'x'.

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

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

Combine like terms: 3x + -9x = -6x
-9 + -6x = 9 + 9x + -9x

Combine like terms: 9x + -9x = 0
-9 + -6x = 9 + 0
-9 + -6x = 9

Add '9' to each side of the equation.
-9 + 9 + -6x = 9 + 9

Combine like terms: -9 + 9 = 0
0 + -6x = 9 + 9
-6x = 9 + 9

Combine like terms: 9 + 9 = 18
-6x = 18

Divide each side by '-6'.
x = -3

Simplifying
x = -3

See similar equations:

| 2d+4d-2=-14 | | 40y+50=x | | 3(x+5)=-6(x+5) | | 3/4(n)*2=n/6 | | .3n/.3 | | 50+40y=x | | 3r-9r=54 | | 5-2(x+1)=3x+8 | | a^7-2a^3/2a^3 | | 11-4(2x+6)=47 | | -5/3-7 | | -5p-25-6-3p=p-2 | | 2x+3+x+77+81-2x=180 | | x^2+4y=-25+6x | | 3x-6+4x-9=5x+11 | | 78=(x-7)x | | -5/3*-7 | | x^2=4(4x-16) | | 3/4(n)2=n/6 | | 4x+9y+11x-6y=180 | | 3u=18u-9 | | 3(4x-9)=2x+3 | | 56x^2+12x=0 | | 5/6*-2 | | 10x+14y=1650 | | 3*3x+1=2x+3 | | 5-7x/11+2/3=5/3 | | 5/6*2 | | 2(x)+2(2x-3)=3(x+5) | | 0=0.4(x)-4 | | p(x)=5x^7-x^9 | | 5(x+8)-7=13 |

Equations solver categories