Question

Rezolvati ecuatia 4[0,5+0,8(3)=5x, unde x EQ

Answer 1

4[0,5+0,8(3)=5x

0,5=5/10=1/2

0,8(3)=(83-8)/90=75/90=5/6

4(1/2+5/6)=5x ( factor comun pe 6 in paranteza)

4*8/6=5x

32=30x

x=32/30=16/15 ∈ Q