7x(3+9)=

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Solution for 7x(3+9)= equation: 


Simplifying
7x(3 + 9) = 0

Combine like terms: 3 + 9 = 12
7x(12) = 0

Reorder the terms for easier multiplication:
7 * 12x = 0

Multiply 7 * 12
84x = 0

Solving
84x = 0

Solving for variable 'x'.

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

Divide each side by '84'.
x = 0

Simplifying
x = 0

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