Question

Vreau rezolvarea la
12:x=16:8
X×10=80:2
X+x=245×x
Cât mai rpd plsss (dau 40 pct)

Answer 1

12 : x = 16 : 8

12 : x = 2

x = 12 : 2

x = 6

x • 10 = 80 : 2

x • 10 = 40

x = 40 : 10

x = 4

x + x = 245 + x

2 • x - x = 245

x = 245