Найти корень уравнения -2х+1-3(х-4)=-4(3-х)+4
-2х + 1 - 3 ( х - 4 ) = -4 ( 3 - х ) + 4 -2х + 1 - 3х + 12 = -12 + 4х + 4 -2х - 3х - 4х = -12 + 4 - 1 - 12 -9х = -21 х = 21/9 = 2 1/3. Ответ : х = 2 ⅓. Удачи)))
–2х+1–3(х–4)=–4(3–х) –2х+1–3х+12=–12+4х –2х–3х–4х=–1–12–12 –9х=–25 х=–25:(–9) x=25/9 x=18