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Practice
Simplify the expressions below.a)
r4
r-4
r-8
r4
b)
w9
w1
w-8
w9
c)
v14
v11
v-3
v14
d)
q21
q12
q-9
q21
e)
y-7
y3
y10
y-7
f)
q-7
q-8
q-1
q-7
g)
v-13
v-7
v6
v-13
h)
x14
x19
x5
x14
i)
v0
v10
v10
v0
j)
y9
y14
y5
y9