2xy - 4x + 8y - 16 can be factored.
(2xy - 4x) + (8y - 16)
2x(y - 2) + 8(y - 2)
Since y-2 is the same as the other, it would turn out like this:
(2x + 8)(y - 2)
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Solve for Y algebraically. 4X + 8Y = 16 8Y = - 4X + 16 Y = - 1/2X + 2 graph and see that the Y intercept = 2
2x = -7 - 8y
First, solve the equation for y. 4x * 8y = 10 2x * 4y = 5 4y = 5/(2x) y = 5/(16x) Now it is apparent that the slope of the graph is 5/16, so anything else with such a slope works. y = 5/(16x) + 1 works, for example.
-16
5y - 4 + 3y = 12 Combine like terms: 8y - 4 = 12 Add 4 to both sides: 8y = 16 Divide both sides by 8: y = 2