Question

ajutatima ,pls!
Dau coroana

Answer 1

a) x+1•2=5•4
x+2=20
x=18
b) 5•7x-2=3•20
35x-2=60
35x=62
x= 35 supra 62

Answer 2

a)x+1/5=4/2

x+1*2=4*5

x+2=20

x=20-2

x=18

b)3/5=7x-2/20

3*20=7x-2*5

60=7x-10

7x-10=60

7x=60+10

7x=70

x=70:10

x=7

c)nu stiu, imi pare rau:((