7x-2(7x-2)=-80

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Solution for 7x-2(7x-2)=-80 equation:


Simplifying
7x + -2(7x + -2) = -80

Reorder the terms:
7x + -2(-2 + 7x) = -80
7x + (-2 * -2 + 7x * -2) = -80
7x + (4 + -14x) = -80

Reorder the terms:
4 + 7x + -14x = -80

Combine like terms: 7x + -14x = -7x
4 + -7x = -80

Solving
4 + -7x = -80

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 + -7x = -80 + -4

Combine like terms: 4 + -4 = 0
0 + -7x = -80 + -4
-7x = -80 + -4

Combine like terms: -80 + -4 = -84
-7x = -84

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

Simplifying
x = 12

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