keishalkdndra keishalkdndra

04-06-2016
Mathematics

contestada

Penyelesaian dari sistem persamaan linier dua variabel 5x-y=-8 dan ×+3y=8 adalah

Respuesta :

ANCKPOP ANCKPOP

04-06-2016

5x-y=-8 dan ×+3y=8 *3 {5x - y = -8 *1 {X + 3y = 8 15x - 3y = -24 X + 3y = 8 -------------------- 16x // = -16 x = -16/16 X = -1 *x + 3y = 8 (-1) + 3y = 8 3y = 8 + 1 3y = 9 y = 9/3 y = 3 :)

Answer Link

Otras preguntas

How are physics and chemistry related with health education

Joe bikes at the speed of 30 km/h from his home toward his work. If Joe's wife leaves home 5 mins later by car, how fast should she drive in order to overtake h

Frederic Taylor applied the scientific method to management . In many cases,this meant measuring a process to determine it optimal possible output .Discuss a ti

I need some assistance please.

What is the key purpose of conservation biology?

The cells of collenchyma have evenly thickened cell wall true or false?

What is pulling force? Give any two examples.,

1/f = 1/d + 1/d' How do I find d'?

Does anybody know a nice place to watch the fireworks tomorrow around the San Francisco area??

A man drove 60 km at 30 km/h, 60 km at 40 km/h and 60 km at 50 km/h. What was his average speed for the whole journey?