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Q: Is 5 equals 8 - 3y a linear equation?

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Yes.

No, it is is a single point.

It's a simple linear equation in 'y'. If you'd like to know the value of 'y' that solves it, you can find it as follows: 3y - 5 = 19 Add 5 to each side: 3y = 24 Divide each side by 3 y = 8

-2x=2y-4 2x-y=-5 Answer=(-1,3)

-3y+5=-4 subtract 5 from each side of the equation: -3y=-9 Divide by -3 to get the variable alone:y=3

The slope of the graph of that equation is -1.

Yes, the equation has a slope of 0.

Yes.

It is a linear equation in x. The equation has the solution x = 0.

3y - 20 = 8ySubtract 3y from each side:-20 = 5yDivide each side by 5:-4 = y

Solve for y.2x - 3y = 52x - 2x - 3y = -2x + 5-3y = -2x + 5-3y/-3 = -2x/-3 + 5/-3y = (2/3)x - 3/5Clearly you see that the slope is 2/3.

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