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Q: Is this a no solution 6x - 2y equals 4 -9 plus 3y equals 12?

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x = 3 and y = 2

no its not a solution

Both of them are equations!The solution is (x, y) = (2, 1).

1 solution

-2

y = x + 1

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

2y + 3x = 0 2y + -3 = 0 2y = 0 + 3 , 2y = 3 y = 3/2 y = 1.5 x = -1

4y+4 = 2y+12 4y-2y = 12-4 2y = 8 y = 4

4

-65

Y= 1/4.

3x + 2y = 12 ie 2y = 12 - 3x so y = 6 - 3x/2

The solution is (x, y, z) = (2.5, 1, 2.5).

(12, 1)

2x+y=-12-4x-2y=30 x=-y/2+30, you plug this into -12-4x-2y=30 and get -12+2y-120-2y=30 which gives 2y-2y=162. This is not possible, so the equation is unsolvable.

They are straight lines.

x = -8, y = 10

y=4

If 3y = 12, 2y = 8

(x, y) = (-6, 0)

The solution is:- x = 0 and y = 5

If the two equations are (i) 4x + 2y = 12 and (ii) x + 2y = 6, proceed as follows: Rewrite (ii) as x = 6 - 2y; substitute this expression for x into (i) to result in 4(6 - 2y) + 2y = 12, or 24 - 8 y + 2y = 12, or - 6 y = 12 -24 = -12, or y = -12/-6 = 2. Then, back to (ii) again, x = 6 - 2(2) = 2.

y = 5

This means that 2y - 3 = 2y + 4 which is not possible.