Question

Va rog repede d,e,f
d){3(x+4)+y=3
x+2(y+5)=2

e){4x-3y=13
2(x-y)+5y=-7

f){5(x+2)-3=y
x+2(y+1=5​

Answer 1

[3(x+4)+y=3

3(x+4)=3-y/:3

x+4=y

x+2(y+5)=2

y+5=x