.7(n+19)=-2.8(n-1)

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Solution for .7(n+19)=-2.8(n-1) equation: 



.7(n+19)=-2.8(n-1)

We move all terms to the left:

.7(n+19)-(-2.8(n-1))=0

We multiply parentheses

0.7n-(-2.8(n-1))+13.3=0



We calculate terms in parentheses: -(-2.8(n-1)), so:

-2.8(n-1)

We multiply parentheses

-2.8n+2.8

Back to the equation:

-(-2.8n+2.8)



We get rid of parentheses

0.7n+2.8n-2.8+13.3=0

We add all the numbers together, and all the variables

3.5n+10.5=0

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

3.5n=-10.5

n=-10.5/3.5

n=-3

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