11-05-2017
Mathematics

contestada

3x+y=5 2x-2y=-2 elimination

Respuesta :

Helper512 Helper512

11-05-2017

3x + y = 5
2x - 2y = -2

6x + 2y = 10
2x - 2y = -2
add
8x = 8, x = 1
plug in x into first equation
3(1) + y = 5, 3 + y = 5, y = 2
Ans: x = 1, y = 2

Answer Link

Otras preguntas

Northerners and Southerners disagreed about states' rights and the power of the federal government. Read each quotation, and identify whether it most likely rep

When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume am

positive and negative emotions are opposite and balanced ends of an emotional continuum. there seem to be fewer basic negative emotions than positive ones. peop

why should good paying jobs be prioritized by kentucky

Structures and verbs Pepita es muy __________

Which of the following is an example of sequential program flow? - A sprite in a block-based program takes four steps forward, jumps, and then walks backward. -

Answer each of these the following three questions saying if the amount of energy is going up, down, or staying the same. Support your argument with evidence.

what historical circumstances led to the enlightenment

Riddle me this batman if quiz are quizzical then what are test?

Graph these functions: f(x)-2 X Y A -2f(x) X Y y 7 6 5 -7-6-5-4-3-2-1 1400/2 3 1 0 1 n FI -21 -3 -4 19 -5 -6 -7 2 3 4 5 6 7 el X