9x+42=4x+12

Simple and best practice solution for 9x+42=4x+12 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 9x+42=4x+12 equation:


Simplifying
9x + 42 = 4x + 12

Reorder the terms:
42 + 9x = 4x + 12

Reorder the terms:
42 + 9x = 12 + 4x

Solving
42 + 9x = 12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
42 + 9x + -4x = 12 + 4x + -4x

Combine like terms: 9x + -4x = 5x
42 + 5x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
42 + 5x = 12 + 0
42 + 5x = 12

Add '-42' to each side of the equation.
42 + -42 + 5x = 12 + -42

Combine like terms: 42 + -42 = 0
0 + 5x = 12 + -42
5x = 12 + -42

Combine like terms: 12 + -42 = -30
5x = -30

Divide each side by '5'.
x = -6

Simplifying
x = -6

See similar equations:

| X-1/4=9 | | 3x^3-6x^2-6x+3=0 | | log(x+15)=log(15x) | | m^2+22m=17 | | 5a^2+30a+33=8 | | 4w+7=31 | | (6x^2-10x-24)*(6x^2-4x-16)=0 | | 7-5r=8+3r-1 | | j^2+4j-1=0 | | u^2+20u=-19 | | 6x+47=2x+23 | | 3800/255 | | g^2+16g+17=0 | | 3b-2.3=15.7 | | (7*-2*-2)-(3*-2)-x=35 | | 4s+7.25=12.85 | | h^2+14h=9 | | b-118=4b-4 | | v=1/3(3.14)6^2(9) | | 2(x-1)-(x+1)=1 | | d^2-18d+29=0 | | q-256=-5q-8 | | d^2-18s+29=0 | | q^2+4q=5 | | -5x-5=5*(x-1) | | -u+-5=2.9 | | 180=42+2x+x | | 30-3x=60-23x | | 4x-(2+2x)=16 | | 698.4=(77.6)a | | 65-4= | | 4=d-6 |

Equations solver categories