78+77+x=71.5

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Solution for 78+77+x=71.5 equation: 



78+77+x=71.5

We move all terms to the left:

78+77+x-(71.5)=0

We add all the numbers together, and all the variables

x+83.5=0

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

x=-83.5

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