Answer:
:)
Step-by-step explanation:
a)
48 = d + 23
48 - 23 = d + 23 - 23
25 = d + 0
25 = d
b)
W - 13 = 28
W - 13 + 13 = 28 + 13
W + 0 = 41
W = 41
c)
[tex]9x = 72\\\\\frac{9x}{9} = \frac{72}{9}\\\\x = 8[/tex]
d)
[tex]84 = 4n\\\\\frac{88}{4} = \frac{4n}{4}\\\\22 = n[/tex]
