7x+7(-4x-9)=-168

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Solution for 7x+7(-4x-9)=-168 equation:


Simplifying
7x + 7(-4x + -9) = -168

Reorder the terms:
7x + 7(-9 + -4x) = -168
7x + (-9 * 7 + -4x * 7) = -168
7x + (-63 + -28x) = -168

Reorder the terms:
-63 + 7x + -28x = -168

Combine like terms: 7x + -28x = -21x
-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 = -105
-21x = -105

Divide each side by '-21'.
x = 5

Simplifying
x = 5

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