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Practice
Simplify the expressions below.a)
q17
q10
q-7
q17
b)
m6
m-1
m-7
m6
c)
q0
q-6
q-6
q0
d)
q2
q12
q10
q2
e)
r-13
r-4
r9
r-13
f)
m-10
m-6
m4
m-10
g)
x6
x9
x3
x6
h)
r14
r9
r-5
r14
i)
y-5
y5
y10
y-5
j)
q-12
q-10
q2
q-12