82=5x+7x-2

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Solution for 82=5x+7x-2 equation:


Simplifying
82 = 5x + 7x + -2

Reorder the terms:
82 = -2 + 5x + 7x

Combine like terms: 5x + 7x = 12x
82 = -2 + 12x

Solving
82 = -2 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
82 + -12x = -2 + 12x + -12x

Combine like terms: 12x + -12x = 0
82 + -12x = -2 + 0
82 + -12x = -2

Add '-82' to each side of the equation.
82 + -82 + -12x = -2 + -82

Combine like terms: 82 + -82 = 0
0 + -12x = -2 + -82
-12x = -2 + -82

Combine like terms: -2 + -82 = -84
-12x = -84

Divide each side by '-12'.
x = 7

Simplifying
x = 7

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