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-3|1-2/5v|=-9


Sagot :

Answer: [tex]v=-\frac{1}{15},\:v=\frac{1}{15}[/tex]

Step-by-step explanation: [tex]-3\left|\frac{1-2}{5v}\right|=-9[/tex]

[tex]-\frac{3}{5\left|v\right|}=-9[/tex]

[tex]-\frac{3}{5\left|v\right|}\cdot \:5\left|v\right|=-9\cdot \:5\left|v\right|[/tex]

[tex]-3=-45\left|v\right|[/tex]

[tex]v=-\frac{1}{15},\:v=\frac{1}{15}[/tex]