25-02-2021
Mathematics

contestada

2x + y: 7
3x - 4y = 5

Respuesta :

Batanouny Batanouny

25-02-2021

Answer:

y=7-2x

3x-4(7-2x)=5

3x-28+8x=5

11x=33

x=3

y=7-2(3)

y=7-6

y=1

Answer Link

Otras preguntas

Find each pair of integers, given their sum and product. sum -14, product +24 sum +3, product -18

state one reason that cells are small!

In the Lightning Thief who was the one struggling for power

How did the Virginia House of Burgesses differ from the government that was established by the Mayflower Compact?

Based on simple interest, find the total amount saved or owed. principal = $1700; rate = 6%; time = 5 years A. $1802 B. $1904 C. $2210 D. $2312

(1-sin^2x/cosx)= (sin2x/2sinx)

solve this r/6=5 2/3

You take a running jump off the end of a diving platform at a speed of 7 m/s and splash into the water 1.5 seconds later. a.) How far horizontally do you land f

Which descriptions of Russia's geography are correct? Choose all answers that are correct. A. Most of Russia's rivers flow northward into the Arctic Ocean. B. M

Earl runs 75 meters in 30 seconds.How many meters does earl run per second?