-9=-9(9-5t)

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Solution for -9=-9(9-5t) equation: 



-9=-9(9-5t)

We move all terms to the left:

-9-(-9(9-5t))=0

We add all the numbers together, and all the variables

-(-9(-5t+9))-9=0



We calculate terms in parentheses: -(-9(-5t+9)), so:

-9(-5t+9)

We multiply parentheses

45t-81

Back to the equation:

-(45t-81)



We get rid of parentheses

-45t+81-9=0

We add all the numbers together, and all the variables

-45t+72=0

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

-45t=-72

t=-72/-45

t=1+3/5

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