Question 424330
7x-4y=28

Since -4y does not contain the variable to solve for, move it to the right-hand side of the equation by adding 4y to both sides.
7x=4y+28

Divide each term in the equation by 7.
(7x)/(7)=(4y)/(7)+(28)/(7)

Simplify the left-hand side of the equation by canceling the common factors.
x=(4y)/(7)+(28)/(7)

Simplify the right-hand side of the equation by simplifying each term.
x=(4(y+7))/(7)