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Practice
Simplify the expressions below.a)
q-2
q-9
q-7
q-2
b)
p-9
p-1
p8
p-9
c)
y-5
y1
y6
y-5
d)
y-1
y-4
y-3
y-1
e)
r2
r5
r3
r2
f)
v2
v10
v8
v2
g)
y9
y13
y4
y9
h)
m16
m18
m2
m16
i)
x-3
x6
x9
x-3
j)
q7
q5
q-2
q7