2d=7(d+15)-80

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Solution for 2d=7(d+15)-80 equation: 



2d=7(d+15)-80

We move all terms to the left:

2d-(7(d+15)-80)=0



We calculate terms in parentheses: -(7(d+15)-80), so:

7(d+15)-80

We multiply parentheses

7d+105-80

We add all the numbers together, and all the variables

7d+25

Back to the equation:

-(7d+25)



We get rid of parentheses

2d-7d-25=0

We add all the numbers together, and all the variables

-5d-25=0

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

-5d=25

d=25/-5

d=-5

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