1/4(20d+12)=d+7

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Solution for 1/4(20d+12)=d+7 equation: 



1/4(20d+12)=d+7

We move all terms to the left:

1/4(20d+12)-(d+7)=0



Domain of the equation: 4(20d+12)!=0

d∈R



We get rid of parentheses

1/4(20d+12)-d-7=0

We multiply all the terms by the denominator


-d*4(20d+12)-7*4(20d+12)+1=0

Wy multiply elements

-4d^2(2-28d(2+1=0

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