-84=7x+7(-3x-2)

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Solution for -84=7x+7(-3x-2) equation:


Simplifying
-84 = 7x + 7(-3x + -2)

Reorder the terms:
-84 = 7x + 7(-2 + -3x)
-84 = 7x + (-2 * 7 + -3x * 7)
-84 = 7x + (-14 + -21x)

Reorder the terms:
-84 = -14 + 7x + -21x

Combine like terms: 7x + -21x = -14x
-84 = -14 + -14x

Solving
-84 = -14 + -14x

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '14'.
x = 5

Simplifying
x = 5

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