78=-9x-3(-5+12x)

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Solution for 78=-9x-3(-5+12x) equation: 



78=-9x-3(-5+12x)

We move all terms to the left:

78-(-9x-3(-5+12x))=0

We add all the numbers together, and all the variables

-(-9x-3(12x-5))+78=0



We calculate terms in parentheses: -(-9x-3(12x-5)), so:

-9x-3(12x-5)

We multiply parentheses

-9x-36x+15

We add all the numbers together, and all the variables

-45x+15

Back to the equation:

-(-45x+15)



We get rid of parentheses

45x-15+78=0

We add all the numbers together, and all the variables

45x+63=0

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

45x=-63

x=-63/45

x=-1+2/5

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