3x+18=42

Simple and best practice solution for 3x+18=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+18=42 equation: 


Simplifying
3x + 18 = 42

Reorder the terms:
18 + 3x = 42

Solving
18 + 3x = 42

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 3x = 42 + -18

Combine like terms: 18 + -18 = 0
0 + 3x = 42 + -18
3x = 42 + -18

Combine like terms: 42 + -18 = 24
3x = 24

Divide each side by '3'.
x = 8

Simplifying
x = 8

See similar equations:

| 3+x=1+x | | 5+x=1+x | | 3+x=1-x | | 5+x=1-x | | m^4+5m^2-24=0 | | 9x+4x=1x | | -3b+ac=c-4 | | 9x+4x=1 | | 9x+4x=x | | 2x+4=(x+1)-3(x-2) | | 6x-5=2x+3 | | 2.6(t+2)=2(1.3t+2)+1.2 | | -60+16t^2+500=0 | | 2x^2-9x-9=0 | | 5abc+356=x | | 8z^4+8z^3-a-1=0 | | 25x+7=57 | | 3*3*3*76=x | | 3*3*3*76= | | 2+14z=-8+9z | | 23m-43x=61 | | 3c-15=17-c | | 9+4=1 | | 7-2x=-11 | | 4+3x=4(2x+6) | | 8x+7+9x-4=180 | | W(w+4)=77 | | 2+5t-3=34 | | 2x-9+4=9x+39 | | 0.1y=8 | | 5(3x-4)=11 | | 2x^2+36x+162=0 |

Equations solver categories