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18 May, 19:48

What is solution for the following system of equations, 2x+8y=4 and x=-3y+5

1) X=14 Y=-3

2) X=2 Y=-3

3) X=-3 Y=-3

4) X=12 Y=5

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Answers (1)
  1. 18 May, 20:17
    0
    1) x=14 and y=-3

    Step-by-step explanation:

    To solve the system of equations, substitute x = - 3y+5 into the equation 2x + 8y = 4 for x. This becomes 2 (-3y+5) + 8y = 4. To solve, apply the distributive property, combine like terms and isolate y.

    2 (-3y+5) + 8y=4

    -6y+10+8y=4

    10+2y=4

    10-10+2y=4-10

    2y=-6

    y=-3

    Then to find x, substitute y = -3 into x = -3y+5.

    x = - 3 (-3) + 5

    x = 9 + 5

    x = 14
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