be3ner
be3ner
03-02-2022
Mathematics
contestada
2x-3y=9
-5x-3y=30
Elimination Please Help!!
Respuesta :
Francisc00
Francisc00
03-02-2022
X= -3
Y= 5 because of subtracting 30-9= 21 and with this the 2 whole equations so:
-5x-3y=30
-2x+3y=-9
-7x=21
x=-3 and
15-3y=30 so 30-15= 15=3y
15/3= 5
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
Otras preguntas
0.278. what is his batting average rounded to the nearest hundredth
Is batmobile singular or plural?
Leon has 4 boxes. Each box has 15 golf balls and 12 tennis balls. Which expression shows the total number of balls Leon has in the boxes? a. 4 × 12 × 4 × 15 b.
A country with a government that deliberately places socialist principles into action is a. communist, like the European Union b. communist, like China c. demo
Leon has 4 boxes. Each box has 15 golf balls and 12 tennis balls. Which expression shows the total number of balls Leon has in the boxes? a. 4 × 12 × 4 × 15 b.
At a certain location, a gravitational force with a magnitude of 350 newtons acts on a 70.-kilogram astronaut. What is the magnitude of the gravitational field
How many total moles of KNO3 must be dissolved in water to make 1.5 liters of a 2.0 M solution? (1) 0.50 mol (3) 3.0 mol (2) 2.0 mol (4) 1.3 mol
A 'snail's pace is 60 inches per minute. At this rate how long will it take the snail to crawl 120 feet?
A roller coaster car has a mass of 290. kilograms. Starting from rest, the car acquires 3.13 × 10^5 joules of kinetic energy as it descends to the bottom of a h
A solid substance was tested in the laboratory. The test results are listed below. • dissolves in water • is an electrolyte • melts at a high temperature Based
