Question

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

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

Answer 1

Answer: d = 1

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