21+9x=4x+2

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Solution for 21+9x=4x+2 equation: 



21+9x=4x+2

We move all terms to the left:

21+9x-(4x+2)=0

We get rid of parentheses

9x-4x-2+21=0

We add all the numbers together, and all the variables

5x+19=0

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

5x=-19

x=-19/5

x=-3+4/5

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