Seudónimo Seudónimo

25-04-2022
Mathematics

contestada

Help pls!

[tex]\begin{bmatrix}5x+3y=7\\ 3x-5y=-23\end{bmatrix}[/tex]

Respuesta :

sujalpun324 sujalpun324

25-04-2022

Answer:

Soln:

5x+3y=7

(5x+3y)×5=7×5

25x+15y=35,eq.1

3x-5y=(-23)

(3x-5y)×3=-23×3

9x-15y=(-69)

Adding both equations,

25x+15y=35

9x-15y=(-69)

34x=(-34)

x=(-1)

5x+3y=7

(-5)+3y=7

3y=12

y=4

Answer Link

Otras preguntas

Give a brief interpretation of your results in the context of this problem. A. The probability that this interval contains the true average weight of Allen's h

For anyone helping it means a lot so please help!

Find the range of this data set:225, 342, 288,552, 263.

50 POINTS !! PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

Which statement is true? All squares are rectangles. Rectangles have 4 right angles. Therefore, all squares have 4 right angles. Only some squares are rectangle

2. reproduction produces offspring with a mixture of the parent's traits. a. Sexual b. Asexual C. Mixture d. Budding

Which statement is true about inherited traits

Find the slope of this line.

The average of Blanca's first three test scores was 90. The average of her next two test scores was 95. What was the average of Blanca's first five test scores?

1. ASSERTION AND REASONING QUESTIONS:In the following questions, a statement of assertion (A) is followed by a statement of reason (R).Mark the correct choice a