Question 1130949
Assume you mean
{{{-1/8 + 9/2}}}y = {{{-7/4}}} 
Multiply equation by 8, cancel the denominators
-1 + 4(9)y = 2(-7)
-1 + 36y = -14
36y = -14 + 1
36y = -13
y = {{{(-13)/36}}}
y = {{{-13/36}}}