Mathematics, 15.07.2019 06:30, masogreene123

If ${5x}^{2} + 6x = 70$ and ${5x}^{2} - 6y = 10$ then what is the value of $10x + 10y$

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If [tex] {5x}^{2} + 6x = 70[/tex]and [tex] {5x}^{2} - 6y = 10[/tex]then what is the value of [tex]10...

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If ${5x}^{2} + 6x = 70$ and ${5x}^{2} - 6y = 10$ then what is the value of $10x + 10y$