Solve the system r + s = - 12

4R - 6s = 12

A. - 4,-8

B - 6,-6

C - 4,8

D Infinitely many solutions

Question

Aidyn Simpson

Mathematics

22 August, 10:04

Solve the system r + s = - 12

4R - 6s = 12

A. - 4,-8

B - 6,-6

C - 4,8

D Infinitely many solutions

+4

Answers (1)

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Josue Sexton · Answer 1

r + s = - 12 so r = - s - 12

4r - 6s = 12

substitute r = - s - 12 into 4r - 6s = 12

4r - 6s = 12

4 (-s - 12) - 6s = 12

-4s - 48 - 6s = 12

-10s = 60

s = - 6

r = - (-6) - 12

r = 6 - 12

r = - 6

answer

B - 6,-6

Solve the system r + s = - 124R - 6s = 12A. - 4,-8B - 6,-6C - 4,8D Infinitely many solutions

Solve the system r + s = - 12

4R - 6s = 12

A. - 4,-8

B - 6,-6

C - 4,8

D Infinitely many solutions