x+x+42=78

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


Simplifying
x + x + 42 = 78

Reorder the terms:
42 + x + x = 78

Combine like terms: x + x = 2x
42 + 2x = 78

Solving
42 + 2x = 78

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 2x = 78 + -42

Combine like terms: 42 + -42 = 0
0 + 2x = 78 + -42
2x = 78 + -42

Combine like terms: 78 + -42 = 36
2x = 36

Divide each side by '2'.
x = 18

Simplifying
x = 18

See similar equations:

| 7x+159+7x+159=180 | | h-h+2h-h=18 | | 5(u-1)-5=-5(-5u+4)-6u | | x+x+32=72 | | 8c-8c+3c-c=4 | | 70=70r-70 | | 4(5.5)+3(-2.5)=1 | | 7k-5k+5k=7 | | 18z+2z-8z-12z+3z=9 | | w=2(w-50) | | 3(6+5y)=2-(x+4) | | x^2lne=-lne | | 7u-5u=14 | | M^2-p^2=0 | | 10w-95=95 | | w(w+3)=108 | | y=2(y-12) | | 3r+6r=9 | | 3r+6r=16 | | y+37=2y | | 4d+2=42 | | 5w-2w=18 | | 10p-5p=20 | | 2d-d=12 | | q=2(q-19) | | 1/3x=12.85 | | p=2(p-26) | | 18x-24=36-2x | | 10=2/5xn | | q=2(q-41) | | 10=2/5n | | 6m^2-m-7=0 |

Equations solver categories