Вопрос школьника по предмету Математика
Решить уравнение 10-8(x-6)=2-4x
Ответ учителя по предмету Математика
10 — 8(х — 6) = 2 — 4х
10 — 8х + 48 = 2 — 4х
58 — 8х = 2 — 4х
Сокращаем все на 2:
29 — 4х = 1 — 2х
29 — 4х — 1 + 2х = 0
28 — 2х = 0
2х = 28
х = 14
ОТВЕТ: 14
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(x−18,2)+0,37=4,5