2(3.5x)=21

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Solution for 2(3.5x)=21 equation: 


Simplifying
2(3.5x) = 21

Remove parenthesis around (3.5x)
2 * 3.5x = 21

Multiply 2 * 3.5
7x = 21

Solving
7x = 21

Solving for variable 'x'.

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

Divide each side by '7'.
x = 3

Simplifying
x = 3

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