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

If a potato is allowed to dehydrate by sitting in open air, would the potato cells be more likely to absorb more water or less?
Give 5 natural examples of unbalanced forces around us. Other than friction.
Convert 14mm to its equivalent in m using dimensional analysis
doors for the small cabinets are 11.5 inches long.doors for the large cabinets are 2.3 times as long as the doors for the small cabinets.how many large doors ca
WRITE EACH RATE AS UNIT RATE. 162 WATER BOTTLE IN 9 CASES=
A car travels at 65 miles per hour. Going through construction, it travels at 3/5 this speed. Write this fraction as a decimal and find the speed
Write the number that matches the clues My number has 2 hundreds. The tens digit is 9 more than the ones digit
Write five names for 64 .
Kenji buys 3 yards of fabric for $7.47. Then he realizes that he needs 2 more yards. How much will the extra fabric cost?
can you simplify 25/4? if so, how?