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Practice
Simplify the expressions below.a)
p14
p13
p-1
p14
b)
m-7
m-4
m3
m-7
c)
x14
x6
x-8
x14
d)
w23
w14
w-9
w23
e)
q3
q5
q2
q3
f)
v9
v17
v8
v9
g)
r-12
r-7
r5
r-12
h)
y21
y13
y-8
y21
i)
w30
w20
w-10
w30
j)
q-18
q-9
q9
q-18