4(n-7)+5(n+1)=7/10

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Solution for 4(n-7)+5(n+1)=7/10 equation: 



4(n-7)+5(n+1)=7/10

We move all terms to the left:

4(n-7)+5(n+1)-(7/10)=0

We add all the numbers together, and all the variables

4(n-7)+5(n+1)-(+7/10)=0

We multiply parentheses

4n+5n-28+5-(+7/10)=0

We get rid of parentheses

4n+5n-28+5-7/10=0

We multiply all the terms by the denominator


4n*10+5n*10-7-28*10+5*10=0

We add all the numbers together, and all the variables

4n*10+5n*10-237=0

Wy multiply elements

40n+50n-237=0

We add all the numbers together, and all the variables

90n-237=0

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

90n=237

n=237/90

n=2+19/30

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