Question

Also need help with this.

Answer 1

a = 2w/c/15

Explanation:

14a = ac + 2w

ac + 2w + 14a = 0

ac + 14a = -2w

14a + a = -2w/c

15a = 2w/c

a = 2w/c/15

Answer 2

14a -ac = 8w - 6w
a(14-c) = 2w
a= 2w / 14 - c