x+x+2x+4x=78

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Solution for x+x+2x+4x=78 equation: 



x+x+2x+4x=78

We move all terms to the left:

x+x+2x+4x-(78)=0

We add all the numbers together, and all the variables

8x-78=0

We move all terms containing x to the left, all other terms to the right

8x=78

x=78/8

x=9+3/4

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