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Practice
Simplify the expressions below.a)
p3
p-3
p-6
p3
b)
x-15
x-9
x6
x-15
c)
p-7
p2
p9
p-7
d)
x-3
x6
x9
x-3
e)
w0
w-4
w-4
w0
f)
p19
p11
p-8
p19
g)
v2
v7
v5
v2
h)
q2
q1
q-1
q2
i)
y-4
y4
y8
y-4
j)
w19
w17
w-2
w19