12+4x=7x-9

Simple and best practice solution for 12+4x=7x-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 12+4x=7x-9 equation:


Simplifying
12 + 4x = 7x + -9

Reorder the terms:
12 + 4x = -9 + 7x

Solving
12 + 4x = -9 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
12 + 4x + -7x = -9 + 7x + -7x

Combine like terms: 4x + -7x = -3x
12 + -3x = -9 + 7x + -7x

Combine like terms: 7x + -7x = 0
12 + -3x = -9 + 0
12 + -3x = -9

Add '-12' to each side of the equation.
12 + -12 + -3x = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -3x = -9 + -12
-3x = -9 + -12

Combine like terms: -9 + -12 = -21
-3x = -21

Divide each side by '-3'.
x = 7

Simplifying
x = 7

See similar equations:

| 2x-5x-4=10 | | 2x-(5x-4)=10 | | Y=640x+1100 | | 18+a=3 | | -10m+7=8m+13 | | 3q^2+6q^5+9q=0 | | 7w+7=8w+9 | | 5x-(-4)=17 | | =3x^2-20x+12 | | 1.05(1.27)(7-x)=8 | | 5sinx-2sinx=0 | | 27x-32x=9-14 | | 3u=2u-6 | | 2f-12=-3 | | 60=x | | -6x+10=4x+40 | | 6x+16=12x-5 | | 1+3x^2-2x=x^2-2x+1 | | 7x+12=8x+1 | | 8y+115=5y+127 | | 9b^2-8b+8=0 | | 3v^6-9v^4+147v^2=0 | | -28+20=-6x+10x | | 3X+5Y=98 | | 4sec(c)=7 | | 7n+10=5n+40 | | 4sec(x)=7 | | 1+1/3x=1/6(2x+12) | | -6n+7n+3=2n+1 | | x^2+y^2-4x-6y=-8 | | 7-7=19x+18x | | 5+75Y=3 |

Equations solver categories