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Practice
Simplify the expressions below.a)
p7
p8
p1
p7
b)
x9
x18
x9
x9
c)
m-12
m-6
m6
m-12
d)
p18
p13
p-5
p18
e)
m3
m1
m-2
m3
f)
y1
y-8
y-9
y1
g)
m12
m8
m-4
m12
h)
q2
q6
q4
q2
i)
w-11
w-7
w4
w-11
j)
w5
w1
w-4
w5