7(-3x+9)=-168

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Solution for 7(-3x+9)=-168 equation: 


Simplifying
7(-3x + 9) = -168

Reorder the terms:
7(9 + -3x) = -168
(9 * 7 + -3x * 7) = -168
(63 + -21x) = -168

Solving
63 + -21x = -168

Solving for variable 'x'.

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

Add '-63' to each side of the equation.
63 + -63 + -21x = -168 + -63

Combine like terms: 63 + -63 = 0
0 + -21x = -168 + -63
-21x = -168 + -63

Combine like terms: -168 + -63 = -231
-21x = -231

Divide each side by '-21'.
x = 11

Simplifying
x = 11

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