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Q: Is 9-1 a solution of x 5y 4?

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If you mean x+5y = 4 then (9, -1) is the solution

x = 0 and y = 4

5y + x = 0 subtract 5y from each side, then x = -5y

(2, 3) is a solution only if it satisfies the equation. x + 5y = 4 (2) + 5(3) =? 4 2 + 15 =? 4 17 = 4 False Therefore, (2, 3) is not a solution to the given equation.

yes

yes it is..your welcome

If: 4x = 5y Then: x = 5y/4

x = (-5y + 4) / 7

x - 5y = -4 x + 8y = -4 The first equation gives x = 5y - 4 SUBSTITUTE this value for x in the second equation: (5y - 4) + 8y = -4 Simplify: 13y = 0 so that y = 0 Then x = 5y - 4 gives x = -4

0 = 5y + 20 - xso 5y = x - 20or y = (1/5)x - 40 = 5y + 20 - xso 5y = x - 20or y = (1/5)x - 40 = 5y + 20 - xso 5y = x - 20or y = (1/5)x - 40 = 5y + 20 - xso 5y = x - 20or y = (1/5)x - 4

Without the appropriate mathematical signs the given terms have no solutions.

If you mean: 4x-5y = -12 and -x+5y =18 Then the solutions of the equations are: x = 2 and y = 4

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