SOLUTION: i cant understand algebra can you help me ? 9(d-1)+d=11

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Question 257184: i cant understand algebra can you help me ? 9(d-1)+d=11
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
9(d-1)+d=11
9d-9+d=11 multiply 9 times d-1
10d-9=11
10d=20 add 9 to each side
d=2 divide each side by 10
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Ed