ayedzughier
ayedzughier
04-04-2021
Mathematics
contestada
x+y=4
x-y=-2
who can solve it?
Respuesta :
meowmeow223334
meowmeow223334
04-04-2021
Use elimination
x + y = 4
x - y = -2
Subtract both sides
2y = 6, y = 3
Plug 3 into y to find x
x + 3 = 4
x = 1
Solution; x = 1, y = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 22+ )
Otras preguntas
Complete the equation describing how x and y are related
The total cost of 4 sodas and 6 patties is $840. If a customer buys 5 sodas and 5 patties, the total cost is $800. What is the cost of 1 soda and 1 patty?
use your formula to convert 20 minutes to seconds please help me
What are 6 techniques to improve performance in a sport
In a company which services air-conditioner units, the revenue, $r, is given by the equation r = 20x, where x is the number of units serviced. The operating co
Use the given scale and determine the actual straight -line distance between East London and Bloemfontein
Said deposited sh 56 800 in a SACCO, which paid simple interest at the rate of 12% 1 per annum. After sometime he withdrew all his money from the SACCO amountin
Lindsay wants to compose a symphony similar to one from the Romantic period. What should she do to BEST model this time period? A. Her compositions should be d
Equilibrium Constant Calculation For the reaction A(g) + B(g) 2 C(g) the following equilibrium concentrations were found: [A(g)] = 0.232 mol/L [B(g)] = 0.251 mo
Part 1: Complete the operations geometrically. Use vector operations to draw the resultant vector. ⦁ Draw 2u + 4v.
RELAXING NOICE