ChapmanC161124 ChapmanC161124
  • 25-10-2022
  • Mathematics
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Which ordered pair is a solution to the equation? y=7x-3 O only (14) O neither only (-1,-) both (1, 4) and (-1,-4)

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AdenI16544 AdenI16544
  • 25-10-2022

The givenn equation can be written as

[tex]\begin{gathered} 7x-y=3 \\ On\text{ substituting (1,4) in the left hand side of the equation we get:-} \\ 7-4=3 \\ \text{which is equal to RHS} \end{gathered}[/tex][tex]\begin{gathered} \text{Now substitute (-1,-4) in LHS of the equation} \\ -7+4=-3 \\ \text{which is not equal to RHS.} \end{gathered}[/tex]

Hence only (1,4) satisfies the given equation.

So the correct option is the first one (1,4).

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