Given that 4x−5y=39 Find y when x=3
Give your answer as an improper fraction in its simplest form.

-

Step-by-step explanation:

4x−5y=39

for x=3

12 - 5y = 39

-5y = 39 -12

-5y =

-y =

y = - = -1

its the fourth option

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation: