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26 November, 22:04

3x - y = 2

y = x - 1

When the expression x - 1 is substituted into the first equation for y, the resulting equation is

+2
Answers (2)
  1. 26 November, 22:05
    0
    see explanation

    Step-by-step explanation:

    Given

    3x - y = 2

    Substitute y = x - 1 into the equation

    3x - (x - 1) = 2

    3x - x + 1 = 2 ← simplify left side

    2x + 1 = 2 ← required equation after substitution
  2. 26 November, 22:27
    0
    Given.

    3x - y = 2

    Substitute x - 1 for variable y.

    3x - x - 1 = 2 ← Resulting equation
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