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Schelmandrakesjeni Schelmandrakesjeni
  • 03-12-2016
  • Mathematics
Answered

What is the solution to this system: y=2x+3 and -4x+2y=6


No Solutions

Infinite Solutions

(2,4)

(3,5)

Verified Answer :

jimthompson5910 jimthompson5910
  • 03-12-2016

-4x+2y = 6
-4x+2(2x+3) = 6 ... replace y with 2x+3
-4x+4x+6 = 6
0x+6 = 6
0+6 = 6
6 = 6

The last equation is always true regardless of what you pick for x. So there are infinitely many solutions.

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