8=2(d+1)

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Solution for 8=2(d+1) equation:



8=2(d+1)
We move all terms to the left:
8-(2(d+1))=0
We calculate terms in parentheses: -(2(d+1)), so:
2(d+1)
We multiply parentheses
2d+2
Back to the equation:
-(2d+2)
We get rid of parentheses
-2d-2+8=0
We add all the numbers together, and all the variables
-2d+6=0
We move all terms containing d to the left, all other terms to the right
-2d=-6
d=-6/-2
d=+3

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