Решите уравнение x+11/43=9/12 x+36/155=45/62 21/34-y=16/51 77/89+y=173/178 21/78-a=4/39...

Решите задачу:

$x+ \frac{36}{155}= \frac{45}{62} \\ x= \frac{45}{62}- \frac{36}{155} \\ x= \frac{225-72}{310} \\ x= \frac{153}{310}$

$\frac{21}{34}-y= \frac{16}{51} \\ y= \frac{21}{34}- \frac{16}{51} \\ y= \frac{63-32}{102} \\ y= \frac{31}{102}$

$\frac{77}{89}+y= \frac{173}{178} \\ y= \frac{173}{178}- \frac{77}{89} \\ y= \frac{173-154}{178} \\ y= \frac{19}{178}$

$\frac{21}{78}-a= \frac{4}{39} \\ a= \frac{21}{78}- \frac{4}{39} \\ a= \frac{21-8}{78} \\ a= \frac{13}{78}$

$\frac{19}{21}-a= \frac{14}{210} \\ a= \frac{19}{21}- \frac{14}{210} \\ a= \frac{190-14}{210} \\ a= \frac{176}{210}$