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Practice
Simplify the expressions below.a)
w6
w14
w8
w6
b)
w0
w3
w3
w0
c)
q-2
q-4
q-2
q-2
d)
x-18
x-9
x9
x-18
e)
y9
y8
y-1
y9
f)
q-5
q3
q8
q-5
g)
q3
q1
q-2
q3
h)
r-4
r2
r6
r-4
i)
v10
v20
v10
v10
j)
m-3
m4
m7
m-3