Вопрос школьника по предмету Математика
1) {5m+2n = — 2,
{3m + 2n = 2;
2) {3x — 3y = 12,
{3x + 2y= 17.
3) {8x — 3y = 41,
{7x+5y = 13;
4) {2x + 4y = -1,
{9x + 7y = 1.
ПОМОГИТЕ ПОЖАЛУЙСТА!!!!!!!
Ответ учителя по предмету Математика
Решение в фото. Использовались различные метолы решения. Надеюсь будет понятно
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