How do you complete the ordered pair (–2, ?) given –2x + y = 3?

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Answer 1 · 2016-09-15T11:52:54

$y = - 1$ $y = -1$

Change the equation to have $y$ $y$ as the subject.

$y = 2 x + 3$ $y = 2x+3$

From the ordered pair, $(- 2, ?)$ $(-2,?)$ we have $x = - 2$ $x = -2$

Substitute to find y:

$y = 2 (- 2) + 3$ $y = 2(-2)+3$

$y = - 4 + 3$ $y = -4+3$

$y = - 1$ $y = -1$