kit0058
kit0058
02-03-2017
Mathematics
contestada
solve by elimination
Respuesta :
roseberline
roseberline
02-03-2017
2x - 2y = -4
-3x -3y = 0
_____________________
-1x - 5y = -4
Answer Link
H1a2r3s4h5
H1a2r3s4h5
02-03-2017
2x-2y=-4
Multiply eq.by 3
6x-6y=-12
-3x-3y=0
Multiply eq.by 2
-6x-6y=0
from both new eq.
6x-6y=-12
-6x-6y=0
So adding both eq. We get
-12y=-12
So y=1
From eq.1
2x-2y=-4
2x-2(1)=-4
2x-2=-4
2x=-4+2
2x=-2
x=-1
so x=-1 and y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 35+ )
Otras preguntas
Use cylindrical shells to find the volume of the solid that is generated 1 when the region that is enclosed by y = - 3 x = 5, x = 10, y = 0 is revolved about th
Fid the present value at t = 0 of the cash flow which is an annual receipt of alternate $50 and $100 respectively over the next 20 years. Assume an interest rat
Question 12 of 28 In the diagram below, what is the value of x rounded to the nearest whole number? If necessary, round your answer to the nearest tenth of a un
HELPPPP 6. Write a four-paragraph essay describing the treatment of Black people in the Americas from the era of European colonization to the Gilded Age.
Which of the following assets is most liquid? 1. Currency and coins. 2. Checking accounts. 3. Short-term government bonds. 4.Savings accounts.
according to davey crockett, when the day of an election approaches, politicians should
A company produced 16,000 tires this year and sold them at $52 each. The variable cost is 42 cost is $294,400. The company pays $40,000 in interest and 39% in
Random samples of resting heart rates are taken from two groups. Population 1 exercises regularly, and Population 2 does not. The data from these two samples is
written work 1 supply the missing word writing the correct answer on the blank .
At a recent presentation, your company’s CEO stated the company’s intent to expand into the service sector. Currently, your company is devoted exclusively to ma
ACCESS MORE
