GonzaloCanul GonzaloCanul

11-07-2015
Mathematics

contestada

What is the value of y in the solution to the following system of equations? 5x − 3y = −11 2x − 6y = −14

Respuesta :

11-07-2015

[tex]5x-3y=-11 \ \ \ \ \ \ \ \ \ \ \ |\times 2 \\ 2x-6y=-14 \ \ \ \ \ \ \ \ \ \ \ |\times (-5) \\ \\ 10x-6y=-22 \\ \underline{-10x+30y=70} \\ 30y-6y=70-22 \\ 24y=48 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\div 24 \\ y=2[/tex]

The value of y is 2.

Answer Link

Otras preguntas

"Note: The verbs are underlined. A. The rain poured down, but Jin was determined to win and ran as if everything depended on this race. B. The rain pours down,

calculate no of seconds in one week

A canoe travels 3 ¾ kilometers in ⅗ of an hour. What is the average speed of the canoe, in kilometers per hour?

Which of these fats would be the BEST choice to add to her diet?

A 9000 kg rock slides on a horizontal surface with negligible friction at 3 m/stoward a 3000 kg rock that is atrest, as shown in Figure 1. & collision occur

2 Match the equivalent expressions. y²² 0 This shaded model represents 100%

what is the measure of an interior angle of a regular polygon with 90 sides

Write an expression for d subtracted from 100.

What is a central idea of the passage? Δ B The United States must focus on the defense of human rights and the promotion of freedom worldwide. C The world is de

On considère la fonction définie sur ℝ par la relation () = −49 2 + 98 + 51 a) Vérifier que :() = (7 + 3)(17 − 7) .