mcanimalluver19
mcanimalluver19 mcanimalluver19
  • 06-10-2021
  • Mathematics
contestada

solve by substitution.
5x-3y=-4
x+y=-4

Respuesta :

clareeee
clareeee clareeee
  • 07-10-2021

Answer:

x=-2,y=-2

Step-by-step explanation:

x+y=-4

x=-4-y--(3)

substitute (3) in (1)

5(-4-y) -3y=-4

-20-5y-3y=-4

-8y=16

y=16/-8

y=-2

substitute y in (3)

x=-4-(-2)

x=-2

Answer Link

Otras preguntas

Which other locus is most likely to be in linkage disequilibrium with the mutation (all else being equal; assume a sexually reproducing organism)?
Can somebody please help me out... I really don’t get it and no one seems to help...
Select the correct answer. A memoir describes past events, but it is not considered a historical document. Why? A. because a memoir does not include many facts
when do you need commas before and after an apposittive phrase?
Please help me on 7 and 8?!?
What are the physical properties of he wax burning in a candle?
Which type of star cluster forms from tightly packed groups of older stars?
Help me on number 8 and 9
Briefly rewrite the following quote from the Mayflower Compact in your own words (approximately 20 to 30 words) while keeping the same meaning: We whose names a
#15. what is the end-replication problem? why, in the absence of telomerase, do the ends of the linear chromosomes get progressively shorter each time dna is re