21(d+29)=819

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Solution for 21(d+29)=819 equation:



21(d+29)=819
We move all terms to the left:
21(d+29)-(819)=0
We multiply parentheses
21d+609-819=0
We add all the numbers together, and all the variables
21d-210=0
We move all terms containing d to the left, all other terms to the right
21d=210
d=210/21
d=10

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