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Practice
Simplify the expressions below.a)
x10
x9
x-1
x10
b)
y18
y8
y-10
y18
c)
r11
r2
r-9
r11
d)
v14
v9
v-5
v14
e)
y-9
y-5
y4
y-9
f)
m0
m10
m10
m0
g)
p-6
p-3
p3
p-6
h)
y8
y14
y6
y8
i)
r7
r11
r4
r7
j)
q0
q4
q4
q0