x+x+4+2x=84

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Solution for x+x+4+2x=84 equation:


Simplifying
x + x + 4 + 2x = 84

Reorder the terms:
4 + x + x + 2x = 84

Combine like terms: x + x = 2x
4 + 2x + 2x = 84

Combine like terms: 2x + 2x = 4x
4 + 4x = 84

Solving
4 + 4x = 84

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 4x = 84 + -4

Combine like terms: 4 + -4 = 0
0 + 4x = 84 + -4
4x = 84 + -4

Combine like terms: 84 + -4 = 80
4x = 80

Divide each side by '4'.
x = 20

Simplifying
x = 20

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