3x+6x=78-42

Simple and best practice solution for 3x+6x=78-42 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+6x=78-42 equation: 


Simplifying
3x + 6x = 78 + -42

Combine like terms: 3x + 6x = 9x
9x = 78 + -42

Combine like terms: 78 + -42 = 36
9x = 36

Solving
9x = 36

Solving for variable 'x'.

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

Divide each side by '9'.
x = 4

Simplifying
x = 4

See similar equations:

| 7/6*(-3/2)*6*2 | | 5x=3x+2x | | 6-3(1+8h)=29 | | 31=4x-7 | | y-6=-.5x | | -33-n=-4(2n+1) | | 7(10-7n)=6n-10(6n+3) | | -7x+6=94+4x | | 29x+49=37x+25 | | -7*15*1/7 | | -x=0.19 | | 2x+8+7x=8 | | (3x)^2/6x^3 | | 12x^2-19x+9=0 | | 3x+8x=38 | | x^2-13=33 | | 175000+500x=35000+1680x | | a/4+6=-3 | | 18+21p=-6p^2 | | 17=3g+(3)3-g | | 5x-13+2x=7+7x-19 | | 3x+5(x-4)=3 | | -c^2-9c-20=0 | | z^2+4z=16 | | 35000+1680x=186000 | | 4.5x-3y=-9 | | 4x-3=7x+1 | | 5x+(-x)-1=11-2x | | c^4-4096=0 | | z^2-4z=30 | | x+2=2.1611 | | 50*200= |

Equations solver categories