Question 332437
Assume the problems is:
{{{7/y-1/3=1/4}}}
:
multiply by 12y, eliminate the denominators. Results:
12(7) - 4y = 3y
12(7) = 3y + 4y
12(7) = 7y
divide both sides 7
12 = y
:
:
Check in original equation
{{{7/12-1/3=1/4}}}
{{{7/12-4/12=3/12}}}