Question

1) STIIND CA X+Y+75=124,DETERMINATI 101+Y+X
2)STIIND CA 5*x+7*y+30=230 DETERMINATI 1000+2*Y+3*X+2*X+5*Y
VA ROG AJUTATIMA! OFER 51 DE P SI COROANA

Answer 1

Răspuns:

x+y+75=124 => x+y=124-75 x+y=49

101+y+x => 101+49=150

5x+7y+30=230 => 5x+7y=230-30 5x+7y=200

1.000+2y+3x+2x+5y=

1.000+5x+7y => 1.000+200=1.200