x+2x+4x+8x=45

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Solution for x+2x+4x+8x=45 equation: 


Simplifying
x + 2x + 4x + 8x = 45

Combine like terms: x + 2x = 3x
3x + 4x + 8x = 45

Combine like terms: 3x + 4x = 7x
7x + 8x = 45

Combine like terms: 7x + 8x = 15x
15x = 45

Solving
15x = 45

Solving for variable 'x'.

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

Divide each side by '15'.
x = 3

Simplifying
x = 3

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