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3(2x 4y - 2z) 7(x y - 4z) a. 13x 5y - 22z b. -x - 19y 22z c. 13x 19y - 34z d. -x - 5y 34z
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3(2x 4y - 2z) 7(x y - 4z)

a. 13x 5y - 22z
b. -x - 19y 22z
c. 13x 19y - 34z
d. -x - 5y 34z

User Sebastian Celestino
by
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1 Answer

4 votes
3(2x + 4y - 2z) + 7(x + y - 4z) = 6x + 12y - 6z + 7x + 7y - 28z = 13x + 19y - 34z

Option c is the correct answer.
User Grant Eagon
by
9.0k points
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User Calvin
asked Apr 19, 2016 209k views
Simplify. 3(2x+4y-2z)+7(x+y-4z) a. 13x+5y-22z b. -x-19y+22z c. 13x+19y-34z d. -x-5y+34z
Calvin asked Apr 19, 2016
by Calvin
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