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19 May, 05:48

What is the value of x in the following system

y = 3x-5

6x+3y=15

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Answers (1)
  1. 19 May, 06:02
    0
    Subsitte 3x-5 for y in 2nd equation

    6x+3 (3x-5) = 15

    6x+9x-15=15

    15x-15=15

    add 15 both sides

    15x=30

    divide both sides by 15

    x=2
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