-126-21d=-36-12d

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Solution for -126-21d=-36-12d equation:



-126-21d=-36-12d
We move all terms to the left:
-126-21d-(-36-12d)=0
We add all the numbers together, and all the variables
-21d-(-12d-36)-126=0
We get rid of parentheses
-21d+12d+36-126=0
We add all the numbers together, and all the variables
-9d-90=0
We move all terms containing d to the left, all other terms to the right
-9d=90
d=90/-9
d=-10

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