7d+9-5d=7d-6

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Solution for 7d+9-5d=7d-6 equation: 



7d+9-5d=7d-6

We move all terms to the left:

7d+9-5d-(7d-6)=0

We add all the numbers together, and all the variables

2d-(7d-6)+9=0

We get rid of parentheses

2d-7d+6+9=0

We add all the numbers together, and all the variables

-5d+15=0

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

-5d=-15

d=-15/-5

d=+3

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