8+4x+2x=80

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Solution for 8+4x+2x=80 equation: 


Simplifying
8 + 4x + 2x = 80

Combine like terms: 4x + 2x = 6x
8 + 6x = 80

Solving
8 + 6x = 80

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 6x = 80 + -8

Combine like terms: 8 + -8 = 0
0 + 6x = 80 + -8
6x = 80 + -8

Combine like terms: 80 + -8 = 72
6x = 72

Divide each side by '6'.
x = 12

Simplifying
x = 12

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