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6 December, 19:06

A pair of equations is shown below:

y = 3x + 1

y = 4x - 7

What is the solution to the pair of equations?

(8, 25)

(-8, 25)

(-8, - 25)

(8, - 25)

+3
Answers (2)
  1. 6 December, 21:39
    0
    3x + 1 = 4x - 7

    3x - 4x = - 7 - 1

    -x = - 8

    x = 8 <==

    y = 3x + 1

    y = 3 (8) + 1

    y = 24 + 1

    y = 25 <===

    solution is (8,25)
  2. 6 December, 21:49
    0
    The answer is (8,25)

    8x3=24+1=25

    4x8=32-7=25
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