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Practice
Simplify the expressions below.a)
x-4
x-8
x-4
x-4
b)
x12
x18
x6
x12
c)
m22
m19
m-3
m22
d)
y23
y15
y-8
y23
e)
p18
p15
p-3
p18
f)
y-13
y-8
y5
y-13
g)
y-6
y-4
y2
y-6
h)
x6
x8
x2
x6
i)
p1
p5
p4
p1
j)
w2
w11
w9
w2
