Question

AJUTOR !URGENT!!!!URGENT!!!⚠️⚠️⚠️⚠️⚠️​

Answer 1

Răspuns:

a-5e=-17

Explicație pas cu pas:

Prima oara scoti pas cu pas

Stim ca:

a-2b=1

2b-3c=2->2b=2+3c

3c-4d=2->3c=2+4d

4d-5e=1->-5e=1-4d->5e=-1+4d

Dupa inlocuiesti ce stii:

a-2+3c=1->a+c=3->a+c=3/3->a+c=1

2b-2+4d=2->2b+4d=4->2b+d=4/4->2b+d=1

4d-1+4d=1->8d=2->d=8/2->d=4

2b+d=1->2b+4=1->2b=-3->b=-3/2

a-2b=1->a-2*(-3/2)=1->a+3=1->a=1-3->a=-2

5e=-1+4d->5e=-1+4*4->5e=-1+16->5e=15->e=15/5->e=3

a-5e=-2-5*3=-2-15=-17