3x-7(-3x)=0

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Solution for 3x-7(-3x)=0 equation: 


Simplifying
3x + -7(-3x) = 0

Remove parenthesis around (-3x)
3x + -7 * -3x = 0

Multiply -7 * -3
3x + 21x = 0

Combine like terms: 3x + 21x = 24x
24x = 0

Solving
24x = 0

Solving for variable 'x'.

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

Divide each side by '24'.
x = 0

Simplifying
x = 0

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