Question

решите уровнения 5700*х+2700*4х=247500
и 9600*х+4800*2х=480000
плиз скажите!

Answer 1

5700x+10800x=247500
16500x=247500
x=247500/16500
x=15

9600x+9600x = 480000
19200x = 480000
x=480000/19200
x=25

Answer 2

lf