marica24 marica24

03-10-2018
Mathematics

contestada

if (3,n) is a solution of Ax+3y=6 and (n,5) is a solution of 5x+y=20,what is the value of A?

Respuesta :

crisforp crisforp

03-10-2018

We have 3A + 3n = 6 and 5n + 5 = 20;

Then, 5n = 15;

n = 3;

Finally, 3A + 9 = 6;

3A = -3;

A = -1;

Answer Link

Otras preguntas

[tex]1 \times \frac{916191}{1} [/tex]

In whats ways does the monroe doctrine continue the American policy of neutrality?

Why was the United States’ reputation in Latin America damaged by the building of the Panama Canal? A Many Latin Americans died during the building of the Canal

Is the underlined pronoun in the sentence first person, second person, or third person? Thanh brought you pho, a Vietnamese noodle soup.

The temperature is cold if

Because of his affair with abigail williams, what does john proctor fear doing?

There are 190 students taking band, chorus , or both. If there are 180 students taking band and 60 students in both hand and chorus, how many students are only

The table shows the solution to the equation |2x − 3| − 1 = 2: Step- |2x − 3| = 2 + 1 Step 2- |2x − 3| = 3 Step 3- 2x − 3 = 3 or 2x + 3 = 3 Step 4- 2x = 6

BRAINLIEST if CORRECT!! PLZ NO STUPID ANSWERS "Much has been said of the impropriety of representing slaves. But representation and taxation go together. Would

Charlie graphs the equation y= –12x+2 . Select all statements about Charlie's graph that are true. A: The graph is a straight line. B: The line does not pass t