Решите уравнения 3)8х+3(7-2х)=4х+3 4)23-4(3х+8)=1-17х - вопрос №22089593837243423438117 от 7Tamada7 06.06.2022 08:16

Question

Математика: Решите уравнения 3)8х+3(7-2х)=4х+3 4)23-4(3х+8)=1-17х

7Tamada7 · Answer

8х+3(7-2х)=4х+3        23-4(3х+8)=1-17х8х+21-6х=4х+3          23-12х-32=1-17х8х-6х-4х=3-21            -12х+17х=1-23+32-2х=-18                     5х=10х=9                           х=2...