Question

How do you solve for d in `7d + 1 + = 8`?

Answer 1

d = 1

Explanation:

Isolate the term with d , by subtracting 1 from both sides.

7d + 1 - 1 = 8 - 1 → 7d = 7

now divide both sides by 7

`rArr (cancel(7)d)/cancel(7) = 7/7 rArr d = 1`