168=-6(-3x-7)

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Solution for 168=-6(-3x-7) equation:


Simplifying
168 = -6(-3x + -7)

Reorder the terms:
168 = -6(-7 + -3x)
168 = (-7 * -6 + -3x * -6)
168 = (42 + 18x)

Solving
168 = 42 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
168 + -18x = 42 + 18x + -18x

Combine like terms: 18x + -18x = 0
168 + -18x = 42 + 0
168 + -18x = 42

Add '-168' to each side of the equation.
168 + -168 + -18x = 42 + -168

Combine like terms: 168 + -168 = 0
0 + -18x = 42 + -168
-18x = 42 + -168

Combine like terms: 42 + -168 = -126
-18x = -126

Divide each side by '-18'.
x = 7

Simplifying
x = 7

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