3(3+7x)=9

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


Simplifying
3(3 + 7x) = 9
(3 * 3 + 7x * 3) = 9
(9 + 21x) = 9

Add '-9' to each side of the equation.
9 + -9 + 21x = 9 + -9

Combine like terms: 9 + -9 = 0
0 + 21x = 9 + -9
21x = 9 + -9

Combine like terms: 9 + -9 = 0
21x = 0

Solving
21x = 0

Solving for variable 'x'.

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

Divide each side by '21'.
x = 0

Simplifying
x = 0

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