joanna93063 joanna93063
  • 10-04-2017
  • Mathematics
contestada

Solve the following system using the elimination method: 2a+2b=4 and 4a-3b=8

Respuesta :

IcefromTaiwan
IcefromTaiwan IcefromTaiwan
  • 10-04-2017
a = 2
b = 0

2a + 2b = 4 → 4a + 4b = 8

(4a + 4b = 8) - (4a - 3b = 8) → 7b = 0

b = 0

so a = 2
Answer Link
Аноним Аноним
  • 10-04-2017
2a+2b=4 a=1 and b=1

4a-3b=8  a=5 and b=4

hope i helped ya
Answer Link

Otras preguntas

if you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a spade or queen?
true or false? the purpose of a security audit is to make sure computing environments and security controls work as expected.
Please helpp 45 points
suppose the distribution of personal daily water usage in new york city is normally distributed with a mean of 15 gallons and a variance of 25 gallons. because
a sample survey interviews an srs of 209 college women. suppose that 69% of all college women have been on a diet within the last 12 months. what is the probabi
3.05: Workshop: Write a One Idea, Two Mediums Essay
what 3 parts make up biodiversity?
early civilizations developed mainly in?
an individual whose personal style is intuitive-feeling is likely to , while one whose personal style is sensation-thinking is likely to
A city bus has a wheelchair ramp. When the bus is raised so that the door is 2 feet above the ground, the end of the ramp is 3 feet away from the bus. If the bu