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Practice
Simplify the expressions below.a)
x12
x9
x-3
x12
b)
x18
x13
x-5
x18
c)
r-10
r-7
r3
r-10
d)
p11
p3
p-8
p11
e)
v-4
v-6
v-2
v-4
f)
w9
w14
w5
w9
g)
x-16
x-7
x9
x-16
h)
y10
y14
y4
y10
i)
y30
y20
y-10
y30
j)
p4
p1
p-3
p4
