45=a(-900)

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Solution for 45=a(-900) equation: 



45=a(-900)

We move all terms to the left:

45-(a(-900))=0



We calculate terms in parentheses: -(a(-900)), so:

a(-900)

We multiply parentheses

-900a

Back to the equation:

-(-900a)



We get rid of parentheses

900a+45=0

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

900a=-45

a=-45/900

a=-1/20

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