UPSKILL MATH PLUS

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### Exercise condition:

4
Find the coefficients of $$x$$ in the given expressions:

I) $11y\phantom{\rule{0.147em}{0ex}}+\phantom{\rule{0.147em}{0ex}}30x$ the coefficients of $$x$$ is $$=$$.

II) $6x\phantom{\rule{0.147em}{0ex}}-\phantom{\rule{0.147em}{0ex}}32z$ the coefficients of $$x$$ is $$=$$.

III) $16y\phantom{\rule{0.147em}{0ex}}+11z\phantom{\rule{0.147em}{0ex}}-6x\phantom{\rule{0.147em}{0ex}}$ the coefficients of $$x$$ is $$=$$.

IV) $5z\phantom{\rule{0.147em}{0ex}}-13x\phantom{\rule{0.147em}{0ex}}-7y$ the coefficients of $$x$$ is $$=$$.

[Note: If the answer is a negative number, insert the answer along with negative sign].