Răspunsuri

2014-09-28T20:10:47+03:00
3X+6Y+19=43 (=)3X+6Y=43-19(=)3X+6Y=24(=)3X+6Y+38=24+38(=)3X+6Y+38=62
9 3 9
2014-09-28T20:12:00+03:00
3(x + 2y) = 43 - 19
3(x + 2y) = 24
x + 2y = 24 : 3
x + 2y = 8
3(x + 2y) + 38 = 3 * 8 + 38 = 24 + 38 = 62

6 4 6