harukorigaux harukorigaux

04-05-2021
Mathematics

contestada

Can someone help me pls? I don't understand how to find x and y

Can someone help me pls I dont understand how to find x and y class=

Respuesta :

mthmatics mthmatics

04-05-2021

(Y+40)+(x+2y)=180
3y+x=140

2x+(y+20)=180
2x+y=160

Simultaneous equation
3y+x=140
Y+2x=160
Solve for y
Y=24
3(24)+x=140
X=140-72=68

not sure about the answer

Answer Link

Otras preguntas

Solve the following system of equations graphically on the set of axes below. Y=-x+1 Y=1/4x+6

z u need help with this assignment

Which number is a solution for the 8. inequality below? 3n< 18

The Central Powers defeated the Allies in World War I. True False

Find the midpoint of the line segment with the given endpoints (0,7), (4,7)

Need help. Will give brainliest. Answer all these questions.

Students in Ms. Brown demonstrated several chemical reactions but the data did not represent the law of conservation of matter in any of the four experiments. K

A snowstorm lasted for three days. During the storm, 8 inches of snow fell on the first day, 6 inches of snow fell on the second day, and 9 inches of snow fell

Can someone pls help me with this I have to divide the decimals

How many colonies were there when the United States became an independent country?