ЧАСТИНА 2 - Вправи: 1303

1303. Спрости вираз:

1) 2,7х – 112х + 313х = (2710 – 112 + 313)х = 421 - 15 + 1030х = 41630х = 4815х;

2) 147m – 2314m + 1742m = (12442 – 2942 + 1742)m = – 1042m = – 521m;

3) –313x + 516y = – 278x – 2712y = (–313 – 278)x + (516 – 2712)y = –58+2124x + (476 – 2712)y = –52924x + 214-712y = –6524x + 2712y;

4) –259p + 149b + 4718p – 31127b = (4718 – 21018)p + (11227 – 31127)b = (32518 – 21018)p + (–(23827 – 11227))b = 11518p – 12627b = 156p – 12627b.