7(3+6x)=441

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Solution for 7(3+6x)=441 equation: 


Simplifying
7(3 + 6x) = 441
(3 * 7 + 6x * 7) = 441
(21 + 42x) = 441

Solving
21 + 42x = 441

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 42x = 441 + -21

Combine like terms: 21 + -21 = 0
0 + 42x = 441 + -21
42x = 441 + -21

Combine like terms: 441 + -21 = 420
42x = 420

Divide each side by '42'.
x = 10

Simplifying
x = 10

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