[tex]\mathrm{Seguir\:el\:orden\:PEMDAS\:de\:las\:operaciones}[/tex]
[tex]\bold{=7/4-\left(3/2\times \:7/5\right)}[/tex]
[tex]\bold{=-\frac{7}{20}-1/9}[/tex]
[tex]\bold{=-\frac{7}{20}-\frac{1}{9}}[/tex]
[tex]\bold{=\frac{-63-20}{180}}[/tex]
[tex]\boxed{\boxed{ \bold{=-\frac{83}{180}}}}[/tex]
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[tex]\mathrm{Seguir\:el\:orden\:PEMDAS\:de\:las\:operaciones}[/tex]
[tex]\bold{=7/4-\left(3/2\times \:7/5\right)}[/tex]
[tex]\bold{=-\frac{7}{20}-1/9}[/tex]
[tex]\bold{=-\frac{7}{20}-\frac{1}{9}}[/tex]
[tex]\bold{=\frac{-63-20}{180}}[/tex]
[tex]\boxed{\boxed{ \bold{=-\frac{83}{180}}}}[/tex]