Chosenone23
Chosenone23
06-11-2016
Mathematics
contestada
X+y=8. X-y=2 elimination problem
Respuesta :
OMAX
OMAX
06-11-2016
X+Y=8 »» X=8-Y
now we can substitute X with 8-Y in the second equation, which was X-Y=2
X-Y=2 »» (8-Y)-Y=2 »» 8-2Y=2 »» 2Y=8-2 »» Y=6/2 »» Y=3
since X=8-Y, and Y=3, so X=8-3=5
X=5 and Y=3
Answer Link
VER TODAS LAS RESPUESTAS ( 72+ )
Otras preguntas
Consider the molecules: scl2, f2, cs2, cf4, and brcl. select the choice where the bonds of the molecules are arranged in order of increasing polarity.
There are 24 students in this mess in his class. Six more students walk to school then ride your bikes. The number of students who ride their bikes is the same
what is the reason ionic compounds are brittle
Why might Chinese burn paper money at a festival for ancestors?
change the quality into the indicated unit. round to the nearest tenth. 43 inches = cm
What is 181/92 as a mixed number
The table shows data from a survey about college enrollment conducted in 2009. Age Group Males Females Marginal Totals 18-24 5,640 6,432 12,072 25-34 1,843 2,45
Which best describes how settlers gained control of Ohio by 1795
True or false a cpt code stating separate procedure is part of a bundled code
I need help with this please help
