Crissena Crissena
  • 01-04-2021
  • Mathematics
contestada


Solve for the two variables in the following system of equations. 7x-8y=-12
--4x+2y=3

Respuesta :

Yang100
Yang100 Yang100
  • 03-04-2021

Answer:

x=0, y=3/2. (0, 3/2).

Step-by-step explanation:

7x-8y=-12

-4x+2y=3

----------------

7x-8y=-12

4(-4x+2y)=4(3)

-----------------------

7x-8y=-12

-16x+8y=12

----------------

-9x=0

x=0/-9

x=0

7(0)-8y=-12

0-8y=-12

8y=0-(-12)

8y=0+12

8y=12

y=12/8

simplify

y=3/2

Answer Link

Otras preguntas

Read the passage. Then answer the question that follows. ANTONY. Friends, Romans, countrymen, lend me your ears. I come to bury Caesar, not to praise him. The e
A lake in California contains about 8,500,000,000,000 gallons of water. How can this number be written in scientific notation?85.0x10118x10128.5x10118.5x1012​
-56 + _ =-84 please help
A piece of iron block moves across a rough horizontal surface before coming to rest. The mass of the block is 3.3 kg, and its initial speed is 3.2 m/s. How much
1. How would you say that a student is standing in front of the door? Spanish
Another way to write the value absolute value inequality |p|<12
how much is 2 plus 9​
Know the special characteristics of epithelial cells.
List two medications that are helpful in treating hypertension and describe their actions.
The distinction between a valley and a canyon is ________. A. nonexistent; the two terms are synonymous B. that the sides of a canyon are more steep than those