Answer:
d = 109.3
Steps:
1. Add 21.4 to both sides of the equation:
d - 21.4 = 87.9 + 21.4
2. Simplify:
d = 109.3
Enter your answer and show all the steps that you use to solve this problem in the space provided.
d
−
21
.
4
=
87
.
9
1 answer
2 answers