261=-9(5x+16)

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Solution for 261=-9(5x+16) equation: 



261=-9(5x+16)

We move all terms to the left:

261-(-9(5x+16))=0



We calculate terms in parentheses: -(-9(5x+16)), so:

-9(5x+16)

We multiply parentheses

-45x-144

Back to the equation:

-(-45x-144)



We get rid of parentheses

45x+144+261=0

We add all the numbers together, and all the variables

45x+405=0

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

45x=-405

x=-405/45

x=-9

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