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Mathematics, 02.10.2019 02:30 keigleyhannah30

Which equation is an identity?
a. 6m-6=7m+9-m
b. 5y+5=5y-6
c. 3w+8-w=4w-2(w-4)
d. 8-(6v+7)=-6v-1

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You know the right answer?
Which equation is an identity?
a. 6m-6=7m+9-m
b. 5y+5=5y-6
c. 3w+8-w=4w-2(w-4)

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