3x-21/2=10.5

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Solution for 3x-21/2=10.5 equation: 



3x-21/2=10.5

We move all terms to the left:

3x-21/2-(10.5)=0

We add all the numbers together, and all the variables

3x-10.5-21/2=0

We multiply all the terms by the denominator


3x*2-21-(10.5)*2=0

We add all the numbers together, and all the variables

3x*2-42=0

Wy multiply elements

6x-42=0

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

6x=42

x=42/6

x=7

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