2x+11=4x+21

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Solution for 2x+11=4x+21 equation: 



2x+11=4x+21

We move all terms to the left:

2x+11-(4x+21)=0

We get rid of parentheses

2x-4x-21+11=0

We add all the numbers together, and all the variables

-2x-10=0

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

-2x=10

x=10/-2

x=-5

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