juanolvera101010 juanolvera101010

04-04-2020
Mathematics

contestada

If the ordered pair (x, y) is the solution for the system of equations, what is the value of y? x + y = 29 x + 2y = 12

Respuesta :

ghanami ghanami

06-04-2020

Answer:

(46 , -17)

Step-by-step explanation:

hello :

x + y = 29...(*)

x + 2y = 12 ...(**)

multiply (*) by -1 : -x-y=-29 ...(***)

add (**) and(***) : y=-17

put this value in (*) : x-17 =29

so : x=46

one solution : (46 , -17)

Answer Link

Otras preguntas

energy required needed to turn 0.2kg of aluminium from 15° to 40°? (shc)

14. If the value of b is 7, then what is the value of the expression -3b2 + 25 = ? A. 122 B. 172 C. 17 D. –122

In which sentence is the underlined pronoun correct? The horse lost its rider, but she finished the race anyway. The horse lost its rider, but he fin

What is the sum of kinetic and potential energy particles in matter

Write the sphere in standard form.x^2 + y^2 + z^2 - 6 x + 4 y - 4 z = 8

5/3 * 2/3 what's the answer

_______ is a period of heart relaxation. A. Parabolic B. Systole C. Diastole D. Circadian

An inherited trait that helps an organism survive and reproduce in its environment is known as a variation. True False

The Kentucky resolution suggested that state might

Prepare garfield's journal entries for (a) the purchase of the investment, (b) the receipt of annual interest and discount amortization, and (c) the year-end fa