Question 519158
This is not a system of equations.
This is one equation in two forms.
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2x -5y = 10
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Subtract 2x from both sides
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-5y = -2x +10
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Divide both sides by -5
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y = 2/5x -2
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If you want to consider these as two equations, then they line on top of one another.
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{{{ graph(500,500,-10,10,-10,10, 2/5*x -2) }}}