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Practice
Simplify the expressions below.a)
x23
x16
x-7
x23
b)
q-14
q-8
q6
q-14
c)
y-9
y-7
y2
y-9
d)
r18
r19
r1
r18
e)
q5
q-4
q-9
q5
f)
r16
r20
r4
r16
g)
m11
m3
m-8
m11
h)
v0
v-4
v-4
v0
i)
v-5
v-4
v1
v-5
j)
r8
r7
r-1
r8