A)8,3x+2x-60,5=300 б) (1,65-0,3x):0,34=4,5

Question

A)8,3x+2x-60,5=300 б) (1,65-0,3x):0,34=4,5

Answer 1

8,3х + 2х -60,5 = 300
10,3х = 300+60,5
10.3х = 360.5
х = 360.5 : 10.3
х = 35