SOLUTION: 7x-8y=3

Question 629098: 7x-8y=3
Answer by lenny460(1073) (Show Source): You can put this solution on YOUR website!
Plot the following graph:
7x - 8y = 3
Subtract 7x from each side of the equation
7x - 8y - 7x = 3 - 7x
Combine like terms:
7x - 7x = 0
Therefore:
-8y = 3 - 7x or
-8y = -7x + 3
Divide each item by -1
-8y/-1 = -7x/-1 + 3/-1
We now have:
8y = 7x - 3

From the above we get the following coordinates:
(2,11)
(1,4)
(0,-3)
(-1,-10)

The Slope (m) formula: (y2 - y1)/(x2 - x1)
= (-3 - 4)/(0 - 1)
= -3 - 4 = -7
= 0 - 1 = -1
-7/-1 = 7

The Slope (m) = 7
y-intercept = -3
y = mx + b
y = 7x - 3

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