sherisotelo sherisotelo

04-01-2021
Mathematics

contestada

y+z=4 y-z=8
how to solve this problem

Respuesta :

meowmeow223334 meowmeow223334

04-01-2021

Use elimination

y + z = 4

y - z = 8

Subtract both

2z = -4, z = -2

Y - 2 = 4, y = 6

Solution: y = 6, z = -2

Answer Link

Otras preguntas

The fine-structure constant, , plays a special role in the structure of matter; its approximate value is 1/137. What is the de Broglie wavelength of an electron

7times a number is 8 less than the square of that number. Find the positive solution.

prove that the polynomial x^3 - x is divisible by 6 for whole number values of x

(8h-1)-(h+3) in standard form

Find the intruder: phagocytosis, macrophage, granulocytes, lymphocytes

A spring is 30 cm long and extends by 5 cm for each 100 gm hung on it? What is the springs length when 300gm is hung from it?what is the springs length z when n

What major problem did George Washington help stop just after the end of the American Revolution? Group of answer choices Newburgh Conspiracy Trade Disputes

_________ duct carry sperm to urethra

There are 70 new houses being built in a neighborhood. Last month, 2/5 of them were sold. This month, 2/7 of the remaining houses were sold. How many houses are

Data collected for a non-invasive test gives 20% false positive and 5% false negative. Further, the data shows that 1 out of 10,000 people have the disease the