Arnott3842 Arnott3842

27-02-2018
Mathematics

contestada

Which algebraic expression is equivalent to the expression below? (7x - 15) + 15
a. 7x - 30
b. 7x
c. 105x
d. 7x + 30

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bestrongtroopsp3i7sm bestrongtroopsp3i7sm

27-02-2018

7x-15+15 is the same as 7x

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paolo10 paolo10

27-02-2018

(7x - 15) + 15 = 7x
Answer b. 7x

Because -15 +15= 0

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