x+4x+2(4x)=390

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Solution for x+4x+2(4x)=390 equation: 


Simplifying
x + 4x + 2(4x) = 390

Remove parenthesis around (4x)
x + 4x + 2 * 4x = 390

Multiply 2 * 4
x + 4x + 8x = 390

Combine like terms: x + 4x = 5x
5x + 8x = 390

Combine like terms: 5x + 8x = 13x
13x = 390

Solving
13x = 390

Solving for variable 'x'.

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

Divide each side by '13'.
x = 30

Simplifying
x = 30

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