Решите уравнения1) 6х+8х-7х=7142) 23х-19х+5х=1827
1) 6x + 8x - 7x = 714; x(6 + 8 - 7) = 714; 7x = 714; x = 714 : 7; x = 102. 2) 23x - 19x + 5x = 1827; x(23 - 19 + 5) = 1827; 9x = 1827; x = 1827 : 9; x = 203.
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