7(d-81)=63

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Solution for 7(d-81)=63 equation: 



7(d-81)=63

We move all terms to the left:

7(d-81)-(63)=0

We multiply parentheses

7d-567-63=0

We add all the numbers together, and all the variables

7d-630=0

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

7d=630

d=630/7

d=90

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