treciagermany8377 treciagermany8377 20-12-2022 Mathematics contestada In $\triangle ghj$ , $a$ is the midpoint of $\overline{gh},\ \overline{cb}$ is a midsegment, and $\ \overline{cb}\parallel\overline{gh}$ . what is $ga$ , when $gh=7z-1$ and $cb=4z-3$ ?
