gavaniquer gavaniquer
  • 13-02-2020
  • Mathematics
contestada

Solve the linear equations
-2x+5y=39
2x-3y=-25

Respuesta :

ghanami
ghanami ghanami
  • 14-02-2020

Answer:

Step-by-step explanation:

hello :

-2x+5y=39 ....(*)

2x-3y=-25....(**)

add(*) and (**) : 2y =64    so : y =64/2 =  32

put this value in (*) : -2x+5(32) = 39 ....continu

Answer Link

Otras preguntas

Can someone help me out by balancing this equation? :')
Which strains of bacteria were able to kill Lepidoptera sp. larvae
Why do you hear sound when you clap your hands?
Which of these is an example of a chemical reaction that occurs at a very slow rate A) alcohol burning b) an explosion c) dissolving an antacid table d) ir
1. what is the period of the sinusoidal function? Enter your answer in the box.
Native Americans in the Pacific Northwest relied more on farming than hunting and fishing. True False
What is the measure of one angle in the regular octagon?
If the equation of a line passes through the points (1, 3) and (0, 0), which form would be used to write the equation of the line?
Lauren saw 5 Millard ducks swimming in a pond then 2 more thanks five duck joined how many ducks are swimming in the pond now?
What is the value of the expression 2x2 + 3x-y – 4y2 when x = 2 and y = –4?