2(x+2x+3x)=840

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Solution for 2(x+2x+3x)=840 equation: 


Simplifying
2(x + 2x + 3x) = 840

Combine like terms: x + 2x = 3x
2(3x + 3x) = 840

Combine like terms: 3x + 3x = 6x
2(6x) = 840

Remove parenthesis around (6x)
2 * 6x = 840

Multiply 2 * 6
12x = 840

Solving
12x = 840

Solving for variable 'x'.

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

Divide each side by '12'.
x = 70

Simplifying
x = 70

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