dak4920f dak4920f
  • 23-01-2021
  • Mathematics
contestada

Solve a system of equation by elimination
1. 4x+5=21 4x-2y=14

2. 5x+4y=45 -5x4y=35

3. 4x+3y=-10. -4x+y=-30

Respuesta :

madethisfortwitch1
madethisfortwitch1 madethisfortwitch1
  • 23-01-2021

Answer:

1: (4,1) x=4 y=1

2: (1,10) x=1 y=10

3: (-25/4,5) x= -25/4 y=5

Step-by-step explanation:

It would be a lot to explain all three so if you really need it just ask

Answer Link

Otras preguntas

How can i make 2 and 5 are factors to 70 80 and 90?
Jellyfish and sponges have _________: specialized venomous cells used for defense and to help capture prey.
A van travels 300 miles on 15 gallons of gas. Find how many gallons the van needs to travel 360 miles.
find a polynomial f(x) of degree 3 that has the following zeros. 0,-8,3
is temperature a microscopic or macroscopic concept?
Which Chinese philosophy formed the basis for Korea's government during the Tang dynasty?
Los ninos ____ felices porque es Navidad. The choices are A. estoy B. estan C. estamos D. esta
Which of the following statements does NOT accurately describe NOW? a. It used a moderate approach to political change. b. It pressured elected officials to ens
Find the natural abundance of Si-30.
13x - 7 = 136 11 15 8 9