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Practice
Simplify the expressions below.a)
r-12
r-8
r4
r-12
b)
y-1
y6
y7
y-1
c)
q-16
q-8
q8
q-16
d)
v-5
v5
v10
v-5
e)
w-12
w-8
w4
w-12
f)
q-7
q1
q8
q-7
g)
r-6
r-5
r1
r-6
h)
w-11
w-7
w4
w-11
i)
m11
m12
m1
m11
j)
w21
w19
w-2
w21