melainaaac94 melainaaac94

07-10-2020
Mathematics

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7(6+d)=49 Solve for d.

A:d=7
B:d=-1
C:d=-7
D:d=1

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snowshardtr snowshardtr

07-10-2020

Answer: d = 1

Step-by-step explanation:

First distribute the 7 to each term of (6 + d) = 42 + 7d = 49 now subtract 42 from both sides which = 7d = 7. Divide by 7 = 7d/7 = 7/7 = d = 1

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