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Practice
Simplify the expressions below.a)
w6
w12
w6
w6
b)
m-4
m5
m9
m-4
c)
w26
w16
w-10
w26
d)
r10
r7
r-3
r10
e)
w5
w8
w3
w5
f)
r6
r12
r6
r6
g)
q-18
q-8
q10
q-18
h)
w-5
w5
w10
w-5
i)
q3
q5
q2
q3
j)
p7
p6
p-1
p7