6[7-(-3x-7)]=162x+420

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Solution for 6[7-(-3x-7)]=162x+420 equation:


Simplifying
6[7 + -1(-3x + -7)] = 162x + 420

Reorder the terms:
6[7 + -1(-7 + -3x)] = 162x + 420
6[7 + (-7 * -1 + -3x * -1)] = 162x + 420
6[7 + (7 + 3x)] = 162x + 420

Combine like terms: 7 + 7 = 14
6[14 + 3x] = 162x + 420
[14 * 6 + 3x * 6] = 162x + 420
[84 + 18x] = 162x + 420

Reorder the terms:
84 + 18x = 420 + 162x

Solving
84 + 18x = 420 + 162x

Solving for variable 'x'.

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

Add '-162x' to each side of the equation.
84 + 18x + -162x = 420 + 162x + -162x

Combine like terms: 18x + -162x = -144x
84 + -144x = 420 + 162x + -162x

Combine like terms: 162x + -162x = 0
84 + -144x = 420 + 0
84 + -144x = 420

Add '-84' to each side of the equation.
84 + -84 + -144x = 420 + -84

Combine like terms: 84 + -84 = 0
0 + -144x = 420 + -84
-144x = 420 + -84

Combine like terms: 420 + -84 = 336
-144x = 336

Divide each side by '-144'.
x = -2.333333333

Simplifying
x = -2.333333333

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