9[7-(-4x-7)]=180x+378

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Solution for 9[7-(-4x-7)]=180x+378 equation:


Simplifying
9[7 + -1(-4x + -7)] = 180x + 378

Reorder the terms:
9[7 + -1(-7 + -4x)] = 180x + 378
9[7 + (-7 * -1 + -4x * -1)] = 180x + 378
9[7 + (7 + 4x)] = 180x + 378

Combine like terms: 7 + 7 = 14
9[14 + 4x] = 180x + 378
[14 * 9 + 4x * 9] = 180x + 378
[126 + 36x] = 180x + 378

Reorder the terms:
126 + 36x = 378 + 180x

Solving
126 + 36x = 378 + 180x

Solving for variable 'x'.

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

Add '-180x' to each side of the equation.
126 + 36x + -180x = 378 + 180x + -180x

Combine like terms: 36x + -180x = -144x
126 + -144x = 378 + 180x + -180x

Combine like terms: 180x + -180x = 0
126 + -144x = 378 + 0
126 + -144x = 378

Add '-126' to each side of the equation.
126 + -126 + -144x = 378 + -126

Combine like terms: 126 + -126 = 0
0 + -144x = 378 + -126
-144x = 378 + -126

Combine like terms: 378 + -126 = 252
-144x = 252

Divide each side by '-144'.
x = -1.75

Simplifying
x = -1.75

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