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IgorLugansk [536]
3 years ago
14

(30 POINTS COME AND GET IT FOR A MULTIPLE CHOUCE XD) which of the following is the solution for s in the system of equation show

n below? R+2s=52
2r-s=4
(1)12
(2)15
(3)17
(4)20
Mathematics
2 answers:
Irina-Kira [14]3 years ago
6 0

Answer:

Sorry i just need points

Step-by-step explanation:

disa [49]3 years ago
3 0

Answer:

  • (4) s = 20

Step-by-step explanation:

<u>Given system:</u>

  • r + 2s = 52
  • 2r - s = 4

Eliminate r to solve for s.

<u>To do so, double the first equation and then subtract the second one:</u>

  • 2r + 4s = 104
  • 2r - s = 4

<u>Subtract</u>

  • 4s - (-s) = 104 - 4
  • 5s = 100
  • s = 100/5
  • s = 20

Correct choice is (4) 20

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