-12/13 = -1/4 w
w= -3 9/13?
2 3/4 =6 3/5y
y=5/11?
for #1, it's correct but the sign must be positive. :)
for #2, it's not 5/11. please check your solution again.
w= -3 9/13?
2 3/4 =6 3/5y
y=5/11?
for #2, it's not 5/11. please check your solution again.