2d+5=7d-40

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Solution for 2d+5=7d-40 equation: 



2d+5=7d-40

We move all terms to the left:

2d+5-(7d-40)=0

We get rid of parentheses

2d-7d+40+5=0

We add all the numbers together, and all the variables

-5d+45=0

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

-5d=-45

d=-45/-5

d=+9

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