3x+4+2x=84

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Solution for 3x+4+2x=84 equation: 


Simplifying
3x + 4 + 2x = 84

Reorder the terms:
4 + 3x + 2x = 84

Combine like terms: 3x + 2x = 5x
4 + 5x = 84

Solving
4 + 5x = 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 + 5x = 84 + -4

Combine like terms: 4 + -4 = 0
0 + 5x = 84 + -4
5x = 84 + -4

Combine like terms: 84 + -4 = 80
5x = 80

Divide each side by '5'.
x = 16

Simplifying
x = 16

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