21x+31-5=7

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Solution for 21x+31-5=7 equation: 



21x+31-5=7

We move all terms to the left:

21x+31-5-(7)=0

We add all the numbers together, and all the variables

21x+19=0

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

21x=-19

x=-19/21

x=-19/21

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