cecilia345 cecilia345
  • 04-05-2021
  • Mathematics
contestada

solve y=x-2 and x+y=12 using substitution

Respuesta :

Аноним Аноним
  • 04-05-2021

Step-by-step explanation:

y=x-2....eqn1

x+y=12.....eqn2

now,

from eqn 1

y= x-2

again, putting value of y in eqn 2

  • x+y=12
  • x+x-2=12
  • 2x=12+2
  • x=14/2
  • x=7

in eqn 1

  • y=x-2
  • y=7-2
  • y=5

hope it helps..

Answer Link

Otras preguntas

Write a system of equations with a solution (4,–3)
If a slope of a line is 2/0 is it 0 or undefined?
Does every point lie in a quadrant?
Find the value of x.  Round to nearest hundredth if necessary.
the cafeteria has 45 square  tables that can be pushed together to form one long table for the lacrosse team's banquet. Each square table can seat one person on
which seismic wave moves through earth at the fastest speed?
5x+4y+100 in slope intercept form
Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma
which factor made the most difference in how agriculture affected the economies of the colonies?
The value square root of 53 of lies between which two consecutive integers?