7x+5x-2=82

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


Simplifying
7x + 5x + -2 = 82

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

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

Solving
-2 + 12x = 82

Solving for variable 'x'.

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

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

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

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

Divide each side by '12'.
x = 7

Simplifying
x = 7

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