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, 2013

Algebra Difficulty 1.2 Junior Find the answer Canada

If $x=11$ , $y=8$ , and $2x+3z=5y$ , what is the value of $z$ ?

Pick one

Solution

Since $x=11$ , $y=8$ and $2x+3z=5y$ , then $2\times 11 + 3z = 5\times 8$ or $3z = 40-22$ .

Therefore, $3z=18$ and so $z=6$ .

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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.