21x+43=2x-31

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Solution for 21x+43=2x-31 equation: 



21x+43=2x-31

We move all terms to the left:

21x+43-(2x-31)=0

We get rid of parentheses

21x-2x+31+43=0

We add all the numbers together, and all the variables

19x+74=0

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

19x=-74

x=-74/19

x=-3+17/19

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