👤

[tex] \frac{1}{4} \times (x + \frac{6}{7} ) = \frac{5}{7} \\ [/tex]
Ajutoor!!!dau inima celui care ma ajuta:)))


Răspuns :

[tex]\frac{1}{4} \cdot (x+\frac{6}{7})=\frac{5}{7}\\ \frac{x}{4}+\frac{6}{7\cdot 4}=\frac{5}{7}\\ \text{Aduce la acela\c si numitor \c si simplific\u am:}\\ 7\cdot x + 6=5 \cdot 4 \\ 7\cdot x=20-6\\ 7\cdot x =14\\ x=\frac{14}{7}\\ \underline{x=2}[/tex]
1/4 * ( x + 6/7 ) = 5/7
x + 6/7 = 20/7
x = 20/7 - 6/7
x = (20-6)/7 
x =  14/7
x = 2