17-05-2017
Mathematics

contestada

solve the system of equations 5x + 2 y equals 12 5 x - 2 y equals 28

Respuesta :

24-05-2017

5x+2y=12 5x+2y=12
5x-2y=28 5(4)+2y=12
2y=12-20
10x=40 2y=-8
x=40/10 y=-8/2
x=4 y=-4

Answer Link

Otras preguntas

What Is the gospel of Luke 3:1-6 saying? Interpretations?

What number is 45%of 180?

Which of the following is an important rule regarding colon usage

This is one of my last few questions, but im confused by this one (sorry about how my computer is seeing this question, im not sure whats wrong x_x)

Please help me! im stuck on this question, (Please explain)

what does marijuana do to the brain

how dow does Congress deal with the thousands of proposed bills each session? A. by meeting three times a year B. by establishing committees and agencies C. by

divied forty-sevenpointfive by ten

what is 3d − 7d + 2.8 < 5.8 − 27

an object that is in free fall seems to be ______ A. Speeded up by air resistance B. Slowed by air resistance C. Not moving D. Weightless