6[7-(-7x-7)]=126x+168

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Solution for 6[7-(-7x-7)]=126x+168 equation:


Simplifying
6[7 + -1(-7x + -7)] = 126x + 168

Reorder the terms:
6[7 + -1(-7 + -7x)] = 126x + 168
6[7 + (-7 * -1 + -7x * -1)] = 126x + 168
6[7 + (7 + 7x)] = 126x + 168

Combine like terms: 7 + 7 = 14
6[14 + 7x] = 126x + 168
[14 * 6 + 7x * 6] = 126x + 168
[84 + 42x] = 126x + 168

Reorder the terms:
84 + 42x = 168 + 126x

Solving
84 + 42x = 168 + 126x

Solving for variable 'x'.

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

Add '-126x' to each side of the equation.
84 + 42x + -126x = 168 + 126x + -126x

Combine like terms: 42x + -126x = -84x
84 + -84x = 168 + 126x + -126x

Combine like terms: 126x + -126x = 0
84 + -84x = 168 + 0
84 + -84x = 168

Add '-84' to each side of the equation.
84 + -84 + -84x = 168 + -84

Combine like terms: 84 + -84 = 0
0 + -84x = 168 + -84
-84x = 168 + -84

Combine like terms: 168 + -84 = 84
-84x = 84

Divide each side by '-84'.
x = -1

Simplifying
x = -1

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