80=2x-4(-7x+25)

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Solution for 80=2x-4(-7x+25) equation: 


Simplifying
80 = 2x + -4(-7x + 25)

Reorder the terms:
80 = 2x + -4(25 + -7x)
80 = 2x + (25 * -4 + -7x * -4)
80 = 2x + (-100 + 28x)

Reorder the terms:
80 = -100 + 2x + 28x

Combine like terms: 2x + 28x = 30x
80 = -100 + 30x

Solving
80 = -100 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
80 + -30x = -100 + 30x + -30x

Combine like terms: 30x + -30x = 0
80 + -30x = -100 + 0
80 + -30x = -100

Add '-80' to each side of the equation.
80 + -80 + -30x = -100 + -80

Combine like terms: 80 + -80 = 0
0 + -30x = -100 + -80
-30x = -100 + -80

Combine like terms: -100 + -80 = -180
-30x = -180

Divide each side by '-30'.
x = 6

Simplifying
x = 6

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