(3x)7=63

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Solution for (3x)7=63 equation: 


Simplifying
(3x) * 7 = 63

Remove parenthesis around (3x)
3x * 7 = 63

Reorder the terms for easier multiplication:
3 * 7x = 63

Multiply 3 * 7
21x = 63

Solving
21x = 63

Solving for variable 'x'.

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

Divide each side by '21'.
x = 3

Simplifying
x = 3

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