babycakes201220150 babycakes201220150

03-10-2021
Mathematics

contestada

3x -4y= -20 -x +2y =10 whats the value of y

Respuesta :

soccerfan54 soccerfan54

03-10-2021

3x-4y=10
-20-x+2y=10 then -30+2y=x now plug this in the other equation:
3(-30+2y)-4y=10
-90+6y-4y=10
2y=100
y=50

Answer Link

Otras preguntas

Humans are not the only animals that pollute the air.truefalse

Which enzyme digests protein in stomach?

What is the function of the meiosis cell division?

Which poetic device is used in the poem?

a concrete foundation for a building has the shape of a rectangular prism. the foundation is 14 yards long, 12 yards wide, and 2 yards high. if concrete costs

Factors that influence standard of living Which of the following factors explains most of the differences in standards of living among countries around the worl

The main span of the Brooklyn Bridge is 1595 feet long. The Golden Gate Bridge is about 263% of the length of the Brooklyn Bridge. To the nearest hundred feet,

What year was Christopher Columbus born in?

What value of x is in the solution set of the inequality 4x – 12 ≤ 16 + 8x?

Dilate quadrilateral ABCD using P as the center and the following scale factors: IN RED: Scale factor of 1/2. Label the image A'B'C'D'. IN BLUE: Scale factor of