7(x+2x)=14

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Solution for 7(x+2x)=14 equation: 


Simplifying
7(x + 2x) = 14

Combine like terms: x + 2x = 3x
7(3x) = 14

Remove parenthesis around (3x)
7 * 3x = 14

Multiply 7 * 3
21x = 14

Solving
21x = 14

Solving for variable 'x'.

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

Divide each side by '21'.
x = 0.6666666667

Simplifying
x = 0.6666666667

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