7(7+2d)=49

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Solution for 7(7+2d)=49 equation:



7(7+2d)=49
We move all terms to the left:
7(7+2d)-(49)=0
We add all the numbers together, and all the variables
7(2d+7)-49=0
We multiply parentheses
14d+49-49=0
We add all the numbers together, and all the variables
14d=0
d=0/14
d=0

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