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Q: What is the value of y in the equation 4x plus 5y equals -6?

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x = 3.75

5.0

-4x + 4y = 1

Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.

Yes, y = 4x + 7 is a linear equation.

If you subtract 4x on each side, you get 5 = -1, which is false. Note that this doesn't depend on the value of x, so this is false for any value of x.

It is: y = -4x+12

4x+8y=-24

Parallel, the slope of the second equation is 4

what is the slope of the line that has the equation 4x+2y=12?

x^2+4x+7

Presumably this is an equation in which the value of x is to be found. 7x+8 = 4x-10 7x-4x = -10-8 3x = -18 x = -6

If the questions asks: (3)/(4x+2) = (5)/(4x-6) then x = -(7/4)

Then the straight line equation is: y = -4x+6

Yes, y = -4x + 3 is a linear equation.

Without an indication of the equals sign, this is not an equation.

Yes.

The equation of such a line is [ Y = -4x plus any number].

It is a linear equation in x. It has a solution, which is x = -5

The value of x in the equation -10+4x = 50 is 15

x = 3