joanna93
joanna93
02-12-2019
Mathematics
contestada
1) 3х + 8 y = 30
бx +7y = 6
Respuesta :
naythankyouboi
naythankyouboi
02-12-2019
Multiply the first equation my 2 and than subtract the two equations to eliminate x
6x+16y=60-
6x+7y=6
9y=54
Y=6
Then plug in y to one of the equations
6x+7(6)=6
6x+42=6
6x=-36
X=-6
X=-6 Y=6
Answer Link
VER TODAS LAS RESPUESTAS ( 14+ )
Otras preguntas
When DNA replication occurs before meiosis, the original DNA strand CAG TGT CCG TAG is copied into complementary strand GTC CTA CGG ACA. What type of mutation
Read the passage. excerpt from Act II, Scene 1, in A Midsummer Night's Dream by William Shakespeare Helena I am your spaniel, and, Demetrius, The more you beat
If y varies directly as x, what is the value of y in these ordered pairs? (4, 1) and (20, y)
you and a friend decided to take a road trip to somewhere in Pennsylvania on the weekend. You are traveling at an average speed of 62 miles per hour. how far wi
(2+3)+(2+4) plzzz help
What is the meaning of the word "vocation" as it is used in the following sentence? After volunteering at the hospital for a month, I felt I had discovered my v
Children in an art program were asked which animal they would like to learn to draw. The Table shows that results. The art director will make a bar graph of the
Cecily's mother has Type I diabetes which is known to have a genetic component. Cecily has a higher risk of developing Type I diabetes due to: A.heredity B.infl
What is the midpoint of a segment who's endpoint are (-3,-3)and (-13,-13)
the height of the house is 26 feet. what is the height x of each story?
