How do you solve #\frac{d}{7} - - 51= 56#?

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Answer 1 · 2016-10-09T16:14:33

#d = 35#

The difficulty here is the fact that there are two negative signs.

#d/7 -(-51) =56" "larr# simplify first.

#d/7 +51 = 56" "larr# isolate the term in d. take 51 from each side.

#d/7 +51-51 = 56-51#

#d/7 = 5" "larr# isolate d. Multiply each side by 7

#(7xxd)/7 = 5 xx7#

#d = 35#