yocelincelestino101
yocelincelestino101 yocelincelestino101
  • 02-06-2021
  • Mathematics
contestada

Is this right and can someone show me the explanation plz?and how to do the problem I have to show my work

Is this right and can someone show me the explanation plzand how to do the problem I have to show my work class=

Respuesta :

kkozume27
kkozume27 kkozume27
  • 02-06-2021

Answer:

yes it is.

x = 4 and y = -3

Step-by-step explanation:

Solve simultaneously using elimination method:

equation 1 - equation 2

3x + y = 9 equation 1

-2x + y = 5 equation 2

_________

x = 4

plug 4 into any of the 2 equations and solve for y.

3(4) + y = 9

12 + y = 9

12-12 + y = 9-12

y = -3

Answer Link

Otras preguntas

Which explanation best describes photosynthesis
Having an us versus them mentality about the world is most consistent with
How much greater is the median number of pairs of shoes in the inventory at the Golf pro Shop than the median number of pairs of shoes in the inventory at the T
Sally logged on to an online website and booked three tickets. Which part of the information processing cycle has she carried out?
PLEASE HELP WITH #10
With the judiciary act of 1789,congrees
_____ is located 1 AU from the Sun. A.Mars B.Earth C.Venus D.Jupiter
_____ describes the way the components in a network interact.​
Solve ax - by = f for x
which is an example x-intercept of the graph of the function y=tan(x-(5pi/6))