31=-5(3-9w)-4

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Solution for 31=-5(3-9w)-4 equation: 



31=-5(3-9w)-4

We move all terms to the left:

31-(-5(3-9w)-4)=0

We add all the numbers together, and all the variables

-(-5(-9w+3)-4)+31=0



We calculate terms in parentheses: -(-5(-9w+3)-4), so:

-5(-9w+3)-4

We multiply parentheses

45w-15-4

We add all the numbers together, and all the variables

45w-19

Back to the equation:

-(45w-19)



We get rid of parentheses

-45w+19+31=0

We add all the numbers together, and all the variables

-45w+50=0

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

-45w=-50

w=-50/-45

w=1+1/9

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