3/10+n=7/10

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Solution for 3/10+n=7/10 equation: 



3/10+n=7/10

We move all terms to the left:

3/10+n-(7/10)=0

We add all the numbers together, and all the variables

n+3/10-(+7/10)=0

We get rid of parentheses

n+3/10-7/10=0

We multiply all the terms by the denominator


n*10+3-7=0

We add all the numbers together, and all the variables

n*10-4=0

Wy multiply elements

10n-4=0

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

10n=4

n=4/10

n=2/5

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