Answer:
Step-by-step explanation:
a) n+7=13
n=6
b)n+3=5.5
n=2.5
c)9.3=3n
n=3.1
d) 2n-2.5=5.5
2n=8
n=4
a) n = 6
b) n = 2.5
c) n = 3.1
d) n = 4
a) 13 - 7 = n
b) 5.5 - 3 = n
c) 9.3/3 = n
d) (5.5 + 2.5)/2 = n
