taylorlinklater
taylorlinklater taylorlinklater
  • 01-11-2017
  • Mathematics
contestada

Help!! Need this question done in 20mins. I don't have a graphing calculator to give me the window screen!

Help Need this question done in 20mins I dont have a graphing calculator to give me the window screen class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 01-11-2017
2x - y = 1
2x + y = 7
-------------------add
4x = 8
x = 2

2x - y = 1
2(2) - y = 1
-y = -3
y = 3

answer (1,3)


Answer Link

Otras preguntas

Solve the system of equations below by graphing. Type in the ordered pair (x,y) for your answer y=-2 x+y=5
What is the sum of the matrices shown below? 3 6 0 9 5 -2 + 6 0 -8 4 =
Consider the following inequality: āˆ’2(2zāˆ’3)ā‰„2z+24 Step 1 of 2 : Write the solution using interval notation.
a service station on the interstate changes $2.29 per gallon of gasoline and $1.89 per quart for oil. What would be a recourable amount to pay for 10 gallons of
A population of 50 foxes in a wildlife preserve doubles in size every 14 years. The function y = 50.2*, where x is the number of 14-year periods, models the pop
Help me with ixl please
Choose ALL correct answers (1, -3) (4, 1) (6, 3) (2, -2)
Choose ALL correct answers (1, -3) (4, 1) (6, 3) (2, -2)
Solve each equation. |x+5|=-3
1. Arc QR = Arc RS = 2. Find x and y -- if your answer is not a whole number, round to the tenths!