17-03-2020
Mathematics

contestada

Use substitution to it
7) 4x – 2y=-22
-x+y=3

Respuesta :

laura1059 laura1059

17-03-2020

Rearrange -x+y = 3 to y = x+3
Then substitute into the first equation.
4x - 2(x+3)= -22
4x - 2x - 6 = -22
2x -6 = -22
2x = -16
x = -8
Then I put this into y = x+3
y = -8 + 3
y = -5

Answer Link

Otras preguntas

சாதாரண ஆண்டில், 53 சனிக்கிழமைகள் வருவதற்கான நிகழ்தகவு என்ன?

can you read test results?

Naaakit sa kabilang kasarian ( opposite sex).

Match the Lewis structure to each of the following a) Octanal b) Butanone c) Heptanol d) ethyl propionate

The design of a pumping station calls for 6 identical 15,000 litre/hour (l/hr) pumps to be installed. Each pump has a probability of not being available of 0.05

at a candy store, a bar of chocolate costs $1.75 and a bag of sour gummies costs $2.10. If Jacinta has $10 to spend and plans to buy 3 bags of sour gummies. Wri

Current Attempt in Progress For 2022, Wildhorse Co. reported net income of $43300, had average share outstanding of 15500, paid preferred dividends of $12700 an

decribe 5 impacts acid deposition has on the natural environment

Если годовой доход вашего открытого пенсионного фонда составляет 2% и вы вносите 1000 евро в год, какую сумму вы накопите через 30 лет? (введите решение без дес

The angle of elevation to a nearby tree from a point on the ground is measured to be 49 degrees. How tall is the tree if the point on the ground is 53 feet from