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

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


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

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

Combine like terms: -7 + 63 = 56
56 + 28x = 168

Solving
56 + 28x = 168

Solving for variable 'x'.

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

Add '-56' to each side of the equation.
56 + -56 + 28x = 168 + -56

Combine like terms: 56 + -56 = 0
0 + 28x = 168 + -56
28x = 168 + -56

Combine like terms: 168 + -56 = 112
28x = 112

Divide each side by '28'.
x = 4

Simplifying
x = 4

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