x+3x+7=42+x-4

Simple and best practice solution for x+3x+7=42+x-4 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+3x+7=42+x-4 equation:


Simplifying
x + 3x + 7 = 42 + x + -4

Reorder the terms:
7 + x + 3x = 42 + x + -4

Combine like terms: x + 3x = 4x
7 + 4x = 42 + x + -4

Reorder the terms:
7 + 4x = 42 + -4 + x

Combine like terms: 42 + -4 = 38
7 + 4x = 38 + x

Solving
7 + 4x = 38 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
7 + 4x + -1x = 38 + x + -1x

Combine like terms: 4x + -1x = 3x
7 + 3x = 38 + x + -1x

Combine like terms: x + -1x = 0
7 + 3x = 38 + 0
7 + 3x = 38

Add '-7' to each side of the equation.
7 + -7 + 3x = 38 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 38 + -7
3x = 38 + -7

Combine like terms: 38 + -7 = 31
3x = 31

Divide each side by '3'.
x = 10.33333333

Simplifying
x = 10.33333333

See similar equations:

| 84=7h+14 | | x/4=-20 | | 51-3x=6x+20 | | X^2-4x+5=50 | | 5(-2+x)=3x+2 | | x/-3=-6 | | 5y+2=5 | | 5x=-6x+11 | | 5xm=-6x+11 | | 7.2+x=3 | | 6.2=x-4 | | 6(5x+6)3x+3=103 | | 2x-3=3x+8-11-1x | | 5=4-3y/5 | | -7.9=x-(-3.72) | | 8m=4(7m+30) | | 9c+6=12c-9 | | -7.9=x-3.72 | | 2=6+4n/7 | | 2/3/1/10=x/3/5 | | -4y=2-2x | | 7=x-4.2 | | y-3/8=3/4 | | 3x^2+3x-11=0 | | 5x/9=30/2 | | 6x-3=-10 | | 5+x=3.2 | | 3y=3x+3 | | 4(-3x+2)-5=7x+3 | | 5x^2+x=6+0 | | 5.8+x=-8.4 | | 73-3x=42x+23 |

Equations solver categories