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What is the result of multiplying the first equation by 2 and adding to the second equation? 6x − y = 7 2x + y = 5 A. 14x + 3y = 19 B.14x + y = 19 C.14x - y = 19

What is the result of multiplying the first equation by 2 and adding to the second equation? 6x − y = 7 2x + y = 5 A. 14x + 3y = 19 B.14x + y = 19 C.14x - y = 19
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What is the result of multiplying the first equation by 2 and adding to the second equation?

6x − y = 7
2x + y = 5
A. 14x + 3y = 19
B.14x + y = 19
C.14x - y = 19

User Teachme
by
7.3k points

1 Answer

4 votes
the only difference in the answer options is your y variable. the first equation (-y) multiple by 2 makes -2y. adding +y would make it a -y.

option c) 14x - y = 19 should be your answer
User Expz
by
7.8k points
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