Решите пожалуйста системы
5задание. 2(5a-4)... { 6(7b-1)... 2([email protected])-3(3-4&)=5 [email protected]+ 12&=5 [email protected]+ 12&=5 [email protected]+ 12&=22 6(7&-1)-([email protected])=31 42&[email protected]=31 42&[email protected]=31 42&[email protected]=39 { [email protected]+ 12&=22-> 12&+ [email protected]=22 1. домножаем на 10, а 2.на 3 420&[email protected]=390 + 36&+ [email protected]=66 --------------- 456&=456 &=1 12*1 + [email protected] = 22 12+ [email protected] =22 [email protected]=10 @=1