2d+9-5d=2d-1

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Solution for 2d+9-5d=2d-1 equation:



2d+9-5d=2d-1
We move all terms to the left:
2d+9-5d-(2d-1)=0
We add all the numbers together, and all the variables
-3d-(2d-1)+9=0
We get rid of parentheses
-3d-2d+1+9=0
We add all the numbers together, and all the variables
-5d+10=0
We move all terms containing d to the left, all other terms to the right
-5d=-10
d=-10/-5
d=+2

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