3x+9=x-3

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


Simplifying
3x + 9 = x + -3

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

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

Solving
9 + 3x = -3 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
9 + 3x + -1x = -3 + x + -1x

Combine like terms: 3x + -1x = 2x
9 + 2x = -3 + x + -1x

Combine like terms: x + -1x = 0
9 + 2x = -3 + 0
9 + 2x = -3

Add '-9' to each side of the equation.
9 + -9 + 2x = -3 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = -3 + -9
2x = -3 + -9

Combine like terms: -3 + -9 = -12
2x = -12

Divide each side by '2'.
x = -6

Simplifying
x = -6

See similar equations:

| 8x+2y+8z-4x+4z-5y= | | x+200-150=700 | | x^2-5x+1800=0 | | (3x-1)(x+2)=0 | | x-5+7x-13=-3x+6-x | | (6x-4)(x-1)(x*x+x+1)=0 | | 4k^3-6k^2+0k+1=0 | | x*x*x*x+5x*x*x-10x+4=0 | | (x-1)(x+2)(x*x+4x-2)=0 | | 4(x-2)=2x+16 | | 3(x+1)=2x+6 | | 8x+6x=3+17 | | 9x-5-5x=19 | | 4x+3-2x=7 | | -x-3=5 | | 3a*5b-8a= | | 3y=0 | | 3(x^2+2x-2)+1=3x-5(3-x^2+2x) | | 8a+6b-9a= | | 5x^4+5x^3-4x^2-10x+4=0 | | 3y(x+2x)=0 | | 5y-7=28 | | 3*(2x-5)+6=5*(3-5x)+6x | | 3xy+2x+3y=0 | | 2*7= | | 5x^2=54*3 | | 5x^2=54y*4 | | 68745=x^21 | | 1+1=x^45 | | 3xy+2x+3x=0 | | x^634=5 | | 27-13x=25x+10 |

Equations solver categories