84=-8-4(-5x+7)

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Solution for 84=-8-4(-5x+7) equation:


Simplifying
84 = -8 + -4(-5x + 7)

Reorder the terms:
84 = -8 + -4(7 + -5x)
84 = -8 + (7 * -4 + -5x * -4)
84 = -8 + (-28 + 20x)

Combine like terms: -8 + -28 = -36
84 = -36 + 20x

Solving
84 = -36 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
84 + -20x = -36 + 20x + -20x

Combine like terms: 20x + -20x = 0
84 + -20x = -36 + 0
84 + -20x = -36

Add '-84' to each side of the equation.
84 + -84 + -20x = -36 + -84

Combine like terms: 84 + -84 = 0
0 + -20x = -36 + -84
-20x = -36 + -84

Combine like terms: -36 + -84 = -120
-20x = -120

Divide each side by '-20'.
x = 6

Simplifying
x = 6

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