asdblett1eB1eeghan asdblett1eB1eeghan

17-08-2016
Mathematics

contestada

what is the value of the x variable in the solution to the following system of equations? 2x 2y = 6 x 3y = −1 a. −2 b. 2 c. 5 d. −5

Respuesta :

nobillionaireNobley nobillionaireNobley

20-08-2016

2x + 2y = 6 . . . . . (1)
x + 3y = -1 . . . . . (2)

(1) x 3 => 6x + 6y = 18 . . . . . (3)
(2) x 2 => 2x + 6y = -2 . . . . . (4)

(3) - (4) => 4x = 20
x = 20/4 = 5

Answer Link

Otras preguntas

solve for x. find the zeros of the function. write the smaller solution first, and the larger solution second. h(x)=(-4x-3)(x-3)

In a destructive wave, ___. backwash is stronger than swash swash is stronger than backwash water hits the beach in a straight line sand and small rocks are dep

can someone help me

Arrange the sequence of events at the NMJ from first to last. Rank the sequence of events at the NMJ that initiate an action potential in the muscle fiber, from

personality development includes

3/4 : 1/2 how do I make these fractions in this ration into decimals

Help please with workings of possible

The beginning development of a star is marked by a supernova explosion, with the gases present in the nebula being forced .

What is the equation of the line that goes through (4,6) and is perpendicular to y= -1/2x +3? Showing steps

According to the article, what's the third step in the naturalization process A. Swearing the Oath of Allegiance B. Attending a biometrics appointment C. T