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Practice
Simplify the expressions below.a)
x18
x15
x-3
x18
b)
y3
y-2
y-5
y3
c)
x10
x18
x8
x10
d)
w7
w4
w-3
w7
e)
p-7
p-2
p5
p-7
f)
y2
y10
y8
y2
g)
m16
m14
m-2
m16
h)
r-11
r-1
r10
r-11
i)
w5
w4
w-1
w5
j)
v11
v5
v-6
v11