nuri4Sh5ayprazzywood nuri4Sh5ayprazzywood

31-10-2016
Mathematics

contestada

What is the value of the x variable in the solution to the following system of equations?
2x + 3y = 4
x - 2y = -5

2

-2

1

-1

Respuesta :

Dutch1015 Dutch1015

31-10-2016

-2 (x-2y=-5)

-2x+4y=10
2x+3y=4
0+7y=14
/7. /7
y=2

2x+3 (2)=4
2x+6=4
-6. -6
2x=-2
/2. /2
x=-1

Answer Link

Otras preguntas

Write the chemical equations representing the stepwise, partial ionization reactions of malonic acid, a diprotic acid with a chemical formula of H2C3H204. The a

Zinc Company does not elect to use the fair value option for reporting financial assets. An unrealized gain, net of tax, on Zinc's held-to-maturity portfolio of

Assume that the probability of any newborn baby being a girl is one half and that all births are independent. If a family has five children (no twins), what is

Which expression is represented by the phrase “The square of y decreased by the quotient of 28 and 7”?

Which of the following is not a potential concern associated with the use of biotechnology?

-LEASE HELP !!Whose thoughts and feelings does this passage reveal? The stars popped in the night sky like distant firecrackers, and beyond them the great strea

"Write a generic C++ function" that takes an array of generic elements and a scalar of the same type as the array elements. The type of the array elements and t

Which expression is equivalent to 15 – 5x?

Find the sum or difference.write your answer in simplest form 2/9+1/3=

Suppose you are looking at the 2006 results of how the Echo generation classified specified items as either luxuries or necessities. Do you expect the results t