使x{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="x" style="vertical-align:-6px;height:22px;width:11px" loading="lazy">这个公式的主题。
2y = 5x - 7{"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="2y空间等于空间5x空间减去空间7" style="vertical-align:-6px;height:22px;width:98px" loading="lazy">
x ={"language":"en","fontFamily":"Times New Roman","fontSize":"18","autoformat":true}" class="Wirisformula" role="math" alt="X空间等于" style="vertical-align:-6px;height:22px;width:32px" loading="lazy">................................................[2]