-13-7(3d-16)=3(-9d+13)

Solution for -13-7(3d-16)=3(-9d+13) equation:

-13-7(3d-16)=3(-9d+13)

We move all terms to the left:

-13-7(3d-16)-(3(-9d+13))=0

We multiply parentheses

-21d-(3(-9d+13))+112-13=0


We calculate terms in parentheses: -(3(-9d+13)), so:

3(-9d+13)

We multiply parentheses

-27d+39

Back to the equation:

-(-27d+39)


We add all the numbers together, and all the variables

-21d-(-27d+39)+99=0

We get rid of parentheses

-21d+27d-39+99=0

We add all the numbers together, and all the variables

6d+60=0

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

6d=-60

d=-60/6

d=-10