5x+21=3x-19

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Solution for 5x+21=3x-19 equation: 



5x+21=3x-19

We move all terms to the left:

5x+21-(3x-19)=0

We get rid of parentheses

5x-3x+19+21=0

We add all the numbers together, and all the variables

2x+40=0

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

2x=-40

x=-40/2

x=-20

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