d-21/10=7

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Solution for d-21/10=7 equation: 



d-21/10=7

We move all terms to the left:

d-21/10-(7)=0

determiningTheFunctionDomain
d-7-21/10=0

We multiply all the terms by the denominator


d*10-21-7*10=0

We add all the numbers together, and all the variables

d*10-91=0

Wy multiply elements

10d-91=0

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

10d=91

d=91/10

d=9+1/10

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