murrachl000
23.08.2019 •
Mathematics
3x-2y=12 and 2x+4y=16 solve with subsitution
Solved
Show answers
More tips
- F Food and Cooking Unusually Delicious Shashlik - Follow the Etiquette of Proper Preparation!...
- L Leisure and Entertainment Couchsurfing: A New Way to Travel...
- G Goods and services Which TV is better - LCD or Plasma?...
- S Sport How to Learn to Pull Up on Monkey Bars?...
- L Leisure and Entertainment Scrapbooking: What is it and Why is it Becoming More Popular?...
- C Computers and Internet Where did torrents.ru move to?...
- B Business and Finance Understanding Cash Flow: What It Is and How It Works...
- C Computers and Internet What Are Peers and Seeds in Torrenting?...
- H Health and Medicine 10 Simple Techniques on How to Boost Your Mood...
- G Goods and services How to Choose the Right High Chair for Your Baby?...
Answers on questions: Mathematics
- M Mathematics Bob ran 3.2 miles, ortez ran 3 2/7 miles and Jamie ran 3.08 miles who ran the longest distance?...
- M Mathematics Jill has a ribbon that measures 4/5 of a yard. One bow requires 1/10 yard of a ribbon. How many bows can Jill make?...
- M Mathematics I dont understand. this is geometry. find x...
- M Mathematics If BC = 9, AB = 6, and AC = 15, is BC tangent to Circle A?...
- M Mathematics Is (x-3) a factor of (x^3-3x^2+2x+2)...
- M Mathematics A restaurant is located on a coordinate grid at (-6,-9). A store is located on the same coordinate grid at (10,3). If your house is half Way in between the two buildings, what are...
- M Mathematics Anna pre-pays for gasoline so that the cost for her gasoline will always be $2.40 per gallon forever. Using the graph, which represents a combined city and highway driving annual...
- M Mathematics DA Which TWO of the following are true? NF boy girl, boy boy I girl boy girl boy boy boy boy boy...
- M Mathematics Solve Log3 (x+15) - log3 (x-1)=2 algebraically...
- M Mathematics What is the area of the hexagon?...
Ответ:
solve for 1 variable
solve for x in seond eqution
divide everybody by 2
x+2y=8
minus 2y
x=8-2y
sub 8-2y for x in other equation
3(8-2y)-2y=12
24-6y-2y=12
24-8y=12
minus 24
-8y=-12
divide -8 both sides
y=3/2
sub
x=8-2y
x=8-2(3/2)
x=8-3
x=5
(5,3/2)
Ответ:
D
Step-by-step explanation: