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Using linear combination method what is the solution to the system of linear equations 7X -2Y = -20 and 9X + 4Y = -6

User Desreen
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2 Answers

7 votes

Answer:

B

Explanation:

B

User Mark Manickaraj
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5.9k points
7 votes

Answer:

(x,y ) = ( - 2,3)

Explanation:

given the 2 equations

7x - 2y = - 20 (1)

9x + 4y = -6 (2)

User Abdulla
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5.1k points