ayedzughier
ayedzughier
04-04-2021
Mathematics
contestada
x+y=4
x-y=-2
who can solve it?
Respuesta :
meowmeow223334
meowmeow223334
04-04-2021
Use elimination
x + y = 4
x - y = -2
Subtract both sides
2y = 6, y = 3
Plug 3 into y to find x
x + 3 = 4
x = 1
Solution; x = 1, y = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
Energy sustainability can best be achieved by using ______. a. nonrenewable energy sources b. renewable energy sources c. carbon sequestration d. recycled plast
which system of linear inequalities is represented by this graphed solution? A. y > -1/2x + 2 y ≤ 3x - 1 B. y < -1/2x + 2 y ≥ 3x - 1 C. y > -2x
identify the coefficient of x1. 3xy³2. xy ___ 53. 3 ___ x y 44. 3 ___ x²y 4
Kora draws a rough sketch of a crime scene. Although the drawing is not to scale, Kora provides as many observations as she can on the sketch. Why did Kora incl
what is listening in english
What were The main changes of the (Civil Rights, Society, Immigration) programs ?
Scarlett bought an ant farm with 80 ants. Frond the following week forward, the ant population tripled every week. Let g(n) be the number on ants in scarletts f
Identify two structural features of purines and pyrimidines. Purines contain only three ring nitrogen atoms. contain only two ring nitrogen atoms. contain four
A total of $10,000 is invested in two mutual funds. The first account yields 5% and the second account yields 6%. How much was invested in each account if the t
Suppose that any baseball that has a coefficient of restitution that exceeds 0.625 is considered too lively. Based on the available data, what proportion of the