Eu instalei as versões solicitadas pelo professor do node e do angular, porém mesmo seguindo as orientações dos posts anteriores com esse erro nenhuma funcionou e o erro persiste. Segue abaixo o erro.
C:\Users\vivia\Desktop\alurapic> ng serve --open
** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
10% building modules 6/6 modules 0 activei ｢wds｣: Project is running at http://localhost:4200/
i ｢wds｣: webpack output is served from /
i ｢wds｣: 404s will fallback to //index.html
Date: 2019-10-03T00:32:57.221Z
Hash: 55afe450f30a0f558a47
Time: 3178ms
chunk {main} main.js, main.js.map (main) 354 kB [entry] [rendered]
chunk {polyfills} polyfills.js, polyfills.js.map (polyfills) 354 kB [entry] [rendered]
chunk {runtime} runtime.js, runtime.js.map (runtime) 5.22 kB [entry] [rendered]
chunk {styles} styles.js, styles.js.map (styles) 369 kB [entry] [rendered]
chunk {vendor} vendor.js, vendor.js.map (vendor) 5.5 kB [initial] [rendered]
ERROR in node_modules/rxjs/internal/types.d.ts(81,44): error TS1005: ';' expected.
node_modules/rxjs/internal/types.d.ts(81,74): error TS1005: ';' expected.
node_modules/rxjs/internal/types.d.ts(81,77): error TS1109: Expression expected.
node_modules/rxjs/internal/types.d.ts(82,52): error TS1005: ';' expected.
node_modules/rxjs/internal/types.d.ts(82,88): error TS1005: ';' expected.
node_modules/rxjs/internal/types.d.ts(82,92): error TS1109: Expression expected.
i ｢wdm｣: Failed to compile.
