DaQueen05
DaQueen05 DaQueen05
  • 16-12-2019
  • Mathematics
contestada

x+3y=7
4x-7y=-10
plz help​

Respuesta :

C1042
C1042 C1042
  • 16-12-2019

Answer:

x=1 & y=2

Step-by-step explanation:

x + 3y = 7 ------(1)

4x - 7y = -10 ---------(2)

(1)×4 4x + 12y = 28 --------(3)

(3)-(2) 19y = 38

y = 2

sub y=2 into(2)

(2)=> 4x - 14 = -10

4x = 4

x = 1

Answer Link

Otras preguntas

For each system of equations, drag the true statement about its solution set to the box under the system. HURRY PLEASE!
Selby Company sold equipment that had a book value of $13,500 for $15,000. The equipment originally cost $45,000 and it is estimated that it would cost $57,000
Consider 1-year European put and call options on Blackrock stock with the same strike price. If the strike price is equal to the fair value price for the 1-year
The Book of the Dead _____________
Find the area of the shape shown below. 2 2 units
help me with dose questions please!!
Alvin Inc. planned and actually manufactured 200,000 units of its single product in 2014, its first year of operations. Variable manufacturing costs were $30 pe
Bolka Corporation, a merchandising company, reported the following results for October: Sales $ 413,000 Cost of goods sold (all variable) $ 169,100 Total variab
At December 31, MediMark Precision Instruments owes $ 56,000 on Accounts Payable, Salaries Payable of $ 18,000, and Income Tax Payable of $ 6,000. MediMark also
In the following table, all the columns for the element oxygen are filled out correctly. Element Electron Structure of Atom Electron Structure of Ion Net Ionic