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3 October, 07:36

6=4x+2y

-19=4x-3y

using elimination process

+1
Answers (2)
  1. 3 October, 07:48
    0
    Answer: x = - 1, y = 5

    Step-by-step explanation:

    6=4x+2y ... eq 1

    -19=4x-3y ... eq 2

    Subtracting eq 2 from eq 1

    6=4x+2y

    -

    -19=4x-3y

    This gives;

    25=5y

    divide both sides by 5

    y=5

    Substituting the value of y in eq 1

    6=4x + 2 (5)

    6=4x + 10

    Subtract 10 from both sides

    6-10=4x+10-10

    -4=4x+0

    -4=4x

    Divide both sides by 4

    -1=x

    Therefore, x = - 1

    Verify the values of x and y in either of the equations, Let's use equation 1

    6 = 4 (-1) + 2 (5)

    6 = - 4 + 10

    Hence, X = - 1 and y = 5
  2. 3 October, 07:50
    0
    The answer is x = - 1

    y = 5
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