christmas1274
christmas1274 christmas1274
  • 26-03-2020
  • Mathematics
contestada

solve by substitution y=-3x-4
-6x-2y=-5

Respuesta :

belazmart belazmart
  • 09-04-2020

Answer:

no solution

Step-by-step explanation:

First, it gives you y=-3x-4 for the first equation so you can plug in -3x-4 into the second equation for y. Then you get -6x-2(-3x-4)=-5. When you distribute the -2, you get -6x+6x+8=-5. The 6x and -6x cancel out so then you have 8=-5. This is never true meaning that there are no solutions and the lines are parallel.

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