Question

a)Stiind ca x+2y+13=24 ,determinati 18+2y+x
b)Stiind ca 3x+6y+19=43 ,determinati 6y+38+3x
c)Stiind ca 2x+2y+38=62 ,determinati 4y+27+4x
d)Stiind ca 5x+18+20y=43 ,determinati 15x+38+60y
e)Stiind ca 3x+2y+4z=30 ,determinati 4z+43+2y+27+3x
f)Stiind ca x+3+y+4+z+5=12 ,determinati 2012+x+y+z

Answer 1

a) x+2y+13=24=> x+2y=11=> 18+2y+x=11+18=29
b), c, d, e, f la fel ca la a)