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17 December, 18:52

What is the solution to this system of equations? {4x-3y=263x+2y=11 (-2, 5) (5, 2) (8, 2) (5, -2)

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Answers (2)
  1. 17 December, 19:25
    0
    (5, - 2)

    Explanation:

    Step 1 - Align the system of equations and multiply the first equation by 3 and the second row by 4

    4x - 3y = 26

    3x + 2y = 11

    12x - 9y = 78

    12x + 8y = 44

    Step 2 - Subtract

    12x - 9y = 78

    12x + 8y = 44

    -17y = 34

    Step 3 - Simplify by dividing both sides of the equation by - 17

    -17y = 34

    -17y / - 17 = 34 / - 17

    y = - 2

    So, y = - 2

    Step 4 - Enter the value of y into one of the equations and simplify

    12x - 9y = 78

    12x - 9 (-2) = 78

    12x - (-18) = 78

    12x + 18 = 78

    Step 5 - Subtract 18 from both sides

    12x + 18 = 78

    12x + 18 - 18 = 78 - 18

    12x = 60

    Step 6 - Divide both sides by 12

    12x = 60

    12x / 12 = 60 / 12

    x = 5

    So, x = 5
  2. 17 December, 22:48
    0
    (5,2)

    Step-by-step explanation:

    Multiply equation to get like terms

    Use elimination

    Solve for x and y
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