x+40+x-28+4x=864

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Solution for x+40+x-28+4x=864 equation:


Simplifying
x + 40 + x + -28 + 4x = 864

Reorder the terms:
40 + -28 + x + x + 4x = 864

Combine like terms: 40 + -28 = 12
12 + x + x + 4x = 864

Combine like terms: x + x = 2x
12 + 2x + 4x = 864

Combine like terms: 2x + 4x = 6x
12 + 6x = 864

Solving
12 + 6x = 864

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 6x = 864 + -12

Combine like terms: 12 + -12 = 0
0 + 6x = 864 + -12
6x = 864 + -12

Combine like terms: 864 + -12 = 852
6x = 852

Divide each side by '6'.
x = 142

Simplifying
x = 142

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