3x-9=40

Simple and best practice solution for 3x-9=40 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=40 equation: 


Simplifying
3x + -9 = 40

Reorder the terms:
-9 + 3x = 40

Solving
-9 + 3x = 40

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 3x = 40 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = 40 + 9
3x = 40 + 9

Combine like terms: 40 + 9 = 49
3x = 49

Divide each side by '3'.
x = 16.33333333

Simplifying
x = 16.33333333

See similar equations:

| -3-3(-4x+12)=9 | | 6y-8=-6-4y | | n+4=24 | | 3(2x+3)=-5x | | 3(2x+3)=-5 | | (x/21)+(x/24) | | x/21+x/24 | | 1/21+1/24 | | 1/2*0-2/3*y=-6 | | 2x/6=9/2 | | 0=5*x-10 | | 128=-8(2m+4) | | 0=-4*x+4 | | 1-10k=15-2k-10k | | 5xn=60 | | 5xn=11 | | 8(1-8x)=200 | | 24/n=4 | | 9xn=72 | | -7x=x+9-9x | | 10x+8+3x=-5 | | 19x+8+3x=-5 | | w=6w | | 13.43+0.009x=0.0179x | | 2y+3=y | | 4+7n+6=-11 | | -10v+6v=16 | | 5n-4n=-6 | | 8(7x-9)=25 | | -3a-4(a-b)= | | 18-4x=-18 | | -200+25x=0 |

Equations solver categories