84=-2(-7-5x)

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Solution for 84=-2(-7-5x) equation:


Simplifying
84 = -2(-7 + -5x)
84 = (-7 * -2 + -5x * -2)
84 = (14 + 10x)

Solving
84 = 14 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
84 + -10x = 14 + 10x + -10x

Combine like terms: 10x + -10x = 0
84 + -10x = 14 + 0
84 + -10x = 14

Add '-84' to each side of the equation.
84 + -84 + -10x = 14 + -84

Combine like terms: 84 + -84 = 0
0 + -10x = 14 + -84
-10x = 14 + -84

Combine like terms: 14 + -84 = -70
-10x = -70

Divide each side by '-10'.
x = 7

Simplifying
x = 7

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