7x+3=x-9

Simple and best practice solution for 7x+3=x-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 7x+3=x-9 equation:


Simplifying
7x + 3 = x + -9

Reorder the terms:
3 + 7x = x + -9

Reorder the terms:
3 + 7x = -9 + x

Solving
3 + 7x = -9 + 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.
3 + 7x + -1x = -9 + x + -1x

Combine like terms: 7x + -1x = 6x
3 + 6x = -9 + x + -1x

Combine like terms: x + -1x = 0
3 + 6x = -9 + 0
3 + 6x = -9

Add '-3' to each side of the equation.
3 + -3 + 6x = -9 + -3

Combine like terms: 3 + -3 = 0
0 + 6x = -9 + -3
6x = -9 + -3

Combine like terms: -9 + -3 = -12
6x = -12

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

Simplifying
x = -2

See similar equations:

| 5a+b-4a-2b= | | -3+4(b-1)=5 | | 39y+55=23 | | y=4x^2-6x+C | | -3x+3=3(x+1) | | 2(4x+1)-3=8x+-1 | | 16x+16y=32 | | (6x-9)=(2x+7) | | 7=3+4(6n-5) | | 5x-4=2x+3x-5 | | 3x^2=63-20x | | -x^2+28x-36=0 | | 16=-(a+2)-2a | | 5(y+2)+3y=18 | | 3-4x-15-16x=-62 | | 41680=470-860y | | 21-8w-9+3(w+3)=56 | | 3(2x+4)=112 | | x+8+11x-3=17 | | 32=4t+t^2 | | 5x+1=10y-9 | | 14x-2y=46 | | -5x+2+2x+4=-3+8 | | 1/2x-5=1/4x-5 | | 3x+7=8x-1 | | (p^3-4)(5p^2+2x)= | | 2=-2x+5(x-5) | | -2(4s-1)-2=-2(7s+8)-2 | | 3x+4=8y-3 | | 86=6-4(8+7k) | | 22=(1+5x+6x^2) | | 1000(9x-10)=50(736+100x) |

Equations solver categories