Answer:
y = 1[tex]\frac{2}{7}[/tex]
Step-by-step explanation:
[tex]\frac{6}{7}[/tex] = y - [tex]\frac{3}{7}[/tex]
y - [tex]\frac{3}{7}[/tex] = [tex]\frac{6}{7}[/tex]
y = [tex]\frac{6}{7}[/tex] + [tex]\frac{3}{7}[/tex]
y = [tex]\frac{9}{7}[/tex]
y = 1[tex]\frac{2}{7}[/tex]