5x-21+4x=3-7x+8

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Solution for 5x-21+4x=3-7x+8 equation: 



5x-21+4x=3-7x+8

We move all terms to the left:

5x-21+4x-(3-7x+8)=0

We add all the numbers together, and all the variables

5x+4x-(-7x+11)-21=0

We add all the numbers together, and all the variables

9x-(-7x+11)-21=0

We get rid of parentheses

9x+7x-11-21=0

We add all the numbers together, and all the variables

16x-32=0

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

16x=32

x=32/16

x=2

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