Find the value of y if the value of x is 2 for each equation and match it with the appropriate result. 2 + y = 5 3x

Question

Find the value of y if the value of x is 2 for each equation and match it with the appropriate result.
2 + y = 5

3x + 2y = 6

2x + y = 6

5x + 3y = 4

drag & drop the answer
-2
3
-3
0
2
2

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Jezebel 3 years 2021-08-31T15:03:21+00:00 1 Answers 5 views 0

Answers ( )

  1. binhan
    0
    2021-08-31T15:05:04+00:00
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    9514 1404 393

    Answer:

      3, 0, 2, -2

    Step-by-step explanation:

    Put x=2 into each equation and solve for y.

    2 + y = 5

      y = 5 -2

      y = 3

    3x +2y = 6

      3·2 +2y = 6

      2y = 6 -6 = 0

      y = 0

    2x +y = 6

      2·2 +y = 6

      y = 6 -4

      y = 2

    5x +3y = 4

      5·2 +3y = 4

      3y = 4 -10 = -6

      y = -2

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )