Question

Rezolvati in Q ecuatia:
$\frac{2}{3}x+ \frac{5}{6}= \frac{7}{2}$

Answer 1

2x supra 3+5 supra 6=7 supra 2
4x supra 6+5 supra 6=21 supra 6
4x+5=21
4x=26
x=6,5

Answer 2

$\displaystyle \frac{2}{3} x+ \frac{5}{6} = \frac{7}{2} \\ 2 \cdot 2x+5=7 \cdot 3 \\ 4x+5=21 \\ 4x=21-5 \\ 4x=16 \\ x= \frac{16}{4} \\ x=4$