решите уравнение : 2(3-2х)=3х-4(1+3х) РЕШИТЕ СИСТЕМУ УРАВНЕНИЙ: {х-у=-2 х-2у=4. Created by ординат. algebra-ru

1) 2(3-2x)=3x-4(1+3x) 6-4x=3x-4-12x 6-4x=-9x-4 -4x+9x= -4-6 5x= -10 x=-22) {x-y=-2 {x=-2+y ; {x-2y=4 {x-2y=4 ; -2+y-2y=4y=-6x-2*(-6)=4x=-8{-8-(-6)=-2{-8-2*(-6)=4{-2=-2{4=4 Новые вопросы в АлгебраСколькими способами можно рассадить 5 мальчиков и 3 девочки на 8 стульях, стоящих в один ряд, чтобы все девочки не сидели рядом. Пожалуйста, помогите…решить.Реши:t(x)=x+2x²+x-20 при х²+х-20≠03×(a-b-c)+5×(a-b)+3c=8×(a-b)Допоможіть будь ласка!Якщо можна з поступовим поясненнямДякую!m+3 n+3 якщо m>n порівняйте числазависимость y от х задана таблицей. Найдите ее область определения и область значения. Определите, является ли эта зависимость функцией. Постройте гра…фик этой зависимостих -4 -1 3 4 -4у -3 -2 1 -2 3найти производную соs²xНадо решить системы уравнений ( не графичным способом)125a⁸b⁴-20a⁶b⁵______________15a⁵b⁴Упростите помогите пжпжпжпжрж((7^2005)+(7^2004)+8)/((7^2004)+1)ПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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решите уравнение : 2(3-2х)=3х-4(1+3х) РЕШИТЕ СИСТЕМУ УРАВНЕНИЙ: {х-у=-2 х-2у=4...

ординат @ординат

August 2022 1 7 Report

решите уравнение : 2(3-2х)=3х-4(1+3х)
РЕШИТЕ СИСТЕМУ УРАВНЕНИЙ:
{х-у=-2
х-2у=4

Answers & Comments

YanKross 1) 2(3-2x)=3x-4(1+3x)
6-4x=3x-4-12x
6-4x=-9x-4
-4x+9x= -4-6
5x= -10
x=-2
2) {x-y=-2 {x=-2+y ;
{x-2y=4 {x-2y=4 ;
-2+y-2y=4
y=-6
x-2*(-6)=4
x=-8
{-8-(-6)=-2
{-8-2*(-6)=4

{-2=-2
{4=4