asked 176k views
1 vote
7x-5y=4; what does x and y equal

asked
User Valeen
by
8.9k points

1 Answer

2 votes
To solve for x:

7x - 5y = 4 Add 5y to both sides
7x = 5y + 4 Divide both sides by 7
x =
(5)/(7)y +
(4)/(7)

or
x =
(5y + 4)/(7)


To solve for y:

7x - 5y = 4 Subtract 7x from both sides
-5y = -7x + 4 Divide both sides by -5
y =
(7)/(5)x -
(4)/(5)

or
y =
(7x - 4)/(5)
answered
User Cyberbudy
by
7.7k points

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