399=7(9x-33)

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Solution for 399=7(9x-33) equation:


Simplifying
399 = 7(9x + -33)

Reorder the terms:
399 = 7(-33 + 9x)
399 = (-33 * 7 + 9x * 7)
399 = (-231 + 63x)

Solving
399 = -231 + 63x

Solving for variable 'x'.

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

Add '-63x' to each side of the equation.
399 + -63x = -231 + 63x + -63x

Combine like terms: 63x + -63x = 0
399 + -63x = -231 + 0
399 + -63x = -231

Add '-399' to each side of the equation.
399 + -399 + -63x = -231 + -399

Combine like terms: 399 + -399 = 0
0 + -63x = -231 + -399
-63x = -231 + -399

Combine like terms: -231 + -399 = -630
-63x = -630

Divide each side by '-63'.
x = 10

Simplifying
x = 10

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