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Practice
Simplify the expressions below.a)
q-8
q2
q10
q-8
b)
q4
q7
q3
q4
c)
m20
m12
m-8
m20
d)
r19
r14
r-5
r19
e)
q-5
q1
q6
q-5
f)
x-7
x-9
x-2
x-7
g)
x0
x-1
x-1
x0
h)
p16
p14
p-2
p16
i)
m-12
m-4
m8
m-12
j)
x-12
x-3
x9
x-12