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7 May, 23:07

6.

If you add two equations and the resulting sum is a statement that cannot be true, such as 4 = 9, then the system has

solution (s).

+2
Answers (1)
  1. 8 May, 00:33
    0
    The system has NO solutions

    Step-by-step explanation:

    Incompatible System of Equations

    It's a system of equations that has no solutions because the conditions are contradictory. Let's set this equation:

    x+y+3=5

    It's clear that

    x+y=2

    Now, let's multiply the first equation by - 1

    -x-y-3=-5

    It continues to be that

    x+y=2

    The sum of two unknowns cannot change because we multiply an equation by a number. Now let's modify the last equation

    -x-y+3=5

    This equation leads to

    x+y=-2

    a contradictory condition since x+y should remain equal to 2. This equation and the first one form a system with no solutions. Let's now add the very first equation and this last modified one, we get

    6=10

    This contradictory outcome results from managing a system that has NO solutions
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