raut86719 raut86719

04-03-2021
Mathematics

contestada

finds the value of x and Y.
2x+3y=5
X-2y=-1

Respuesta :

ncalalwazi89 ncalalwazi89

04-03-2021

Answer:

x=1

y=1

Step-by-step explanation:

2x+3y=5.........eq1

x-2y=-1........eq2

therefore: x=-1+2y

Subt. eq 3 into eq2

2x+3y=5

2(-1+2y) +3y=5

-2+4y+3y=5

7y=5+2

7y/7=7/7

y=1

therefore: Subt. y=1 into eq2

x-2y=-1

x-2(1)=-1

x-2=-1

x=-1+2

x=1

Answer Link

Otras preguntas

What is the HCF of 40 and 60 ? [1 marks] 50 40 15 20

if the roots of x²-7x+k=0 are m and m-1, find the value of the constant k

2^-5 • 2^8 plsss help

if x=5 and y=2 workout the value of

WHY IS THE CONFLICT BETWEEN AGRICULTURE AND URBAN GROWTH AN UNFAIR CONFLICT?

letter to the editor on misuse of public property and ways of curbing them

What can a writer do to connect a photo to the text?Select the correct answer.(1 point)Include a caption describing the image.Provide a video about the same top

pls help im taking a test - list in order from least to greatest

Explain what the slope and intercept mean in the situation. The graph shows the cost in dollars, y, of a muffin delivery and the number of muffins, x, ordered.

Help help me pleaseee What is Neil Gorsuch’s position and job before he join to U.S. Supreme Court?