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4 July, 13:24

X + 5y = 28 2x + 3y = 21 Solve for x and y.

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  1. 4 July, 16:57
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    First what we gonna do is solve for y.

    x+5y=28 Subtract 5y both sides.

    -5y - 5y

    x=-5y+28 Then you have to replace x with the equation.

    2 (-5y+28) + 3y=21 Multiply.

    -10y+56+3y=21 Combine like terms and subtract 56 both sides.

    -56 - 56

    -7y=-35 Divide - 7 both sides.

    y=5 Simplify.

    x=-5 (5) + 28 Multiply and add.

    x=-25+28

    x=3

    Heres your answer x=3 and y=5.
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