anyurintavarez2034 anyurintavarez2034
  • 03-03-2021
  • Mathematics
contestada

What is 13x+4y=487 + -12x-4y=-464 pls show your work

Respuesta :

iiimp6
iiimp6 iiimp6
  • 03-03-2021
13x+4y=487 ------ (1)
6x+2y=232 ------ (2)
Multiply equation 2 by two,
12x+4y=464 ----- (3)
Minus equation 1 by equation 3,
x = 23
Now solve for y,
6(23) + 2y = 232
138 + 2y = 232
2y = 94
y = 47

Hope this helped ;).
Answer Link

Otras preguntas

% of adult daily smokers who began to smoke by age 18 A) 80% B) 90% C) 95% D) 99%
How did the Whigs approach the election of 1840? [Select all that apply.]
What is career month all about
The function y = 4.25x + 6 represents the total amount of money, y, earned over x hours. What is true about the function? A It is linear because it is always
A piece of copper metal weighs 2.3 grams had a temperature increase from 5.2 °C to 9.6 °C. How much energy was supplied to the gold for this temperature change?
Kofa lift 10 sacks of rice each weight 100N off the back of a truck.the back of the truck is 120cm off the floor.how much work does he do?
edificios más antiguos del Nuevo Mundo
Question • Watch Video Show Examples What is the volume, in cubic in, of a rectangular prism with a height of 8in, a width of 13in, and a length of 18in
For mortgages entered into after December 15, 2017, the amount of interest the taxpayer can deduct is no more than ______________ of the debt used to buy, build
Who will manage the Common Core State Standards in the future?A) CCSSO and NGAB) NEA and AFTC) Federal governmentD) Not mentioned