2x-15=21-8

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Solution for 2x-15=21-8 equation: 



2x-15=21-8

We move all terms to the left:

2x-15-(21-8)=0

We add all the numbers together, and all the variables

2x-15-13=0

We add all the numbers together, and all the variables

2x-28=0

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

2x=28

x=28/2

x=14

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