Question

2. Afla numerele necunoscute

a+124x84 = 230x65

39x280-b= 20x80

c-320x60= 425x40

57x620-d= 40x350

DAU COROANA SI INIMIOARA VA ROG URGENT

Answer 1

a+124x84 = 230x65
a+10416=14950
a=14950-10416
a=4535

39x280-b= 20x80
10​920-b=1600
-b=1600-10920
-b=−9​320
b=9​320

c-320x60= 425x40
c-19​200=17​000
c=17​000+19200
c=36​200

57x620-d= 40x350
35​340-d=14​000
-d=14​000-35340
-d=−21​340
d=21​340