-7(6x-9)-7(-9x-9)=

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Solution for -7(6x-9)-7(-9x-9)= equation:


Simplifying
-7(6x + -9) + -7(-9x + -9) = 0

Reorder the terms:
-7(-9 + 6x) + -7(-9x + -9) = 0
(-9 * -7 + 6x * -7) + -7(-9x + -9) = 0
(63 + -42x) + -7(-9x + -9) = 0

Reorder the terms:
63 + -42x + -7(-9 + -9x) = 0
63 + -42x + (-9 * -7 + -9x * -7) = 0
63 + -42x + (63 + 63x) = 0

Reorder the terms:
63 + 63 + -42x + 63x = 0

Combine like terms: 63 + 63 = 126
126 + -42x + 63x = 0

Combine like terms: -42x + 63x = 21x
126 + 21x = 0

Solving
126 + 21x = 0

Solving for variable 'x'.

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

Add '-126' to each side of the equation.
126 + -126 + 21x = 0 + -126

Combine like terms: 126 + -126 = 0
0 + 21x = 0 + -126
21x = 0 + -126

Combine like terms: 0 + -126 = -126
21x = -126

Divide each side by '21'.
x = -6

Simplifying
x = -6

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