56+21x=13

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Solution for 56+21x=13 equation: 



56+21x=13

We move all terms to the left:

56+21x-(13)=0

We add all the numbers together, and all the variables

21x+43=0

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

21x=-43

x=-43/21

x=-2+1/21

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