357=-7(6x+21)

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Solution for 357=-7(6x+21) equation:


Simplifying
357 = -7(6x + 21)

Reorder the terms:
357 = -7(21 + 6x)
357 = (21 * -7 + 6x * -7)
357 = (-147 + -42x)

Solving
357 = -147 + -42x

Solving for variable 'x'.

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

Add '42x' to each side of the equation.
357 + 42x = -147 + -42x + 42x

Combine like terms: -42x + 42x = 0
357 + 42x = -147 + 0
357 + 42x = -147

Add '-357' to each side of the equation.
357 + -357 + 42x = -147 + -357

Combine like terms: 357 + -357 = 0
0 + 42x = -147 + -357
42x = -147 + -357

Combine like terms: -147 + -357 = -504
42x = -504

Divide each side by '42'.
x = -12

Simplifying
x = -12

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