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7 April, 05:12

Use substitution to solve the system of equations

2x + 3y = 4

4x + 6y=9

+3
Answers (2)
  1. 7 April, 06:00
    0
    no solution

    Step-by-step explanation:

    Try getting a variable by itself, (I'm going to do so with 2x)

    In order to do that I need to subtract 3y from both sides

    The equation should now be

    2x = - 3y+4

    Now divide by 2 to get x by itself

    x = - 3/2y+2

    You can now plug x into 4x+6y=9

    4 (-3/2y+2) + 6y=9

    Distribute 4

    -6y+8+6y=9

    y cancels out and you're left with 8=9, which is untrue, so the answer is no solution
  2. 7 April, 09:03
    0
    No sulution in this math equation
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