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Algebra Difficulty 1.1 Junior Find the answer Canada

If $x = 3$ , the value of $-(5x - 6x)$ is

Pick one

Solution

When $x = 3$ , we have $-(5x - 6x) = -(-x) = x = 3$ .

Alternatively, when $x = 3$ , we have
$-(5x - 6x) = -(15 - 18) = -(-3) =
3$.

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.