math

0.3x-0.2y=0.5
x-2y=-5

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  1. x-2y=-5

    Add 2y to both sides.

    x = 2y-5

    Substitute 2y-5 for x in the other equation and solve for y. Then put that value for y in the above equation and solve for x. Check by putting both values into the first equation.

    I hope this helps. Thanks for asking.

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