Originally Posted by
YamahaR62002 Solve using the addition and multiplication principles:
13/5a + 9/4 = 37/8
13/5a + 9/4 - 9/4 = 37/8 - 9/4
13/5a = 28/4
5/13 * 13/5a = 28/4
a = 28/4 * 5/13
a = 140/52
Please let me know if I'm doing this right.
Thank you!