What is the solution of the system of equations? y = –2x + 5 –5y = 10x + 20 A. infinitely many solutions B. (0, 20) C. (1, 3) D. no solution

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asked Aug 12, 2018 107k views

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Jkv · Answer 1 · 2018-08-18T09:20:20+0000

y = –2x + 5
–5y = 10x + 20

replace y = –2x + 5 into –5y = 10x + 20

–5( –2x + 5 ) = 10x + 20
10x - 25 = 10x + 20
-25 = 20...can't be...

answer is D. no solution

What is the solution of the system of equations? y = –2x + 5 –5y = 10x + 20 A. infinitely many solutions B. (0, 20) C. (1, 3) D. no solution

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