solve the system of equations y = 5x + 32 y = - 4x - 22 a. (6, 2) c. (-6, 2) b. (-6, - 2) d. No solution

Question

Mathematics

Hailee

11 February, 05:58

solve the system of equations y = 5x + 32 y = - 4x - 22 a. (6, 2) c. (-6, 2) b. (-6, - 2) d. No solution

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Answers (1)

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Francisco Blanchard · Answer 1

A) y = 5x + 32

B) y = - 4x - 22

We multiply B) by - 1

B) - y = 4x + 22 then we add it to A)

A) y = 5x + 32

9x + 54 = 0

x = - 6

Substituting x = - 6 into A) we get

A) y = 5*-6 + 32

y = 2

Answer is c. (-6, 2)

(You've typed b. and c. out of order