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Practice
Simplify the expressions below.a)
r0
r-10
r-10
r0
b)
q-10
q-8
q2
q-10
c)
x-13
x-7
x6
x-13
d)
y16
y17
y1
y16
e)
x1
x-2
x-3
x1
f)
y0
y8
y8
y0
g)
m-10
m-8
m2
m-10
h)
y5
y10
y5
y5
i)
q-10
q-8
q2
q-10
j)
w13
w19
w6
w13
