Решите поже! 7·(3+2х)=6 3·(2+2х)=5 3х+2·(6+4х)=8 - вопрос №5646545732632253264844879 от mig4 03.01.2020 12:40

Question

Математика: Решите поже! 7·(3+2х)=6 3·(2+2х)=5 3х+2·(6+4х)=8 4х+4·(8+7х)=9

mig4 · Answer

7·(3+2х)=621+14х=614х=6-2114х=-15х=-15/14х=-1 1/143·(2+2х)=56+6х=56х=5-66х=-1х=-1/63х+2·(6+4х)=83х+12+8х=811х=8-1211х=-4х=-4/114х+4·(8+7х)=94х+32+28х=932х=9-3232х=-23х=-23/32...