Answer:
n=-2
Step-by-step explanation:
7/8+n/4=3/8
n/4=3/8-7/8
n/4=-4/8
-4/8=-1/2
n/4=-1/2
cross product
4*-1=2*n
-4=2n
n=-4/2
7/8 +n/4 = 3/8
Multiply each term by 8
(8)7/8 +n/4(8) = 3/8(8)
7 + 2n = 3
2n = 3 - 7
2n = - 4
n = -4/2
n = -2
