Question

Уравнение 2×Х-267=133.......... 287+(120 -Х )=300

Answer 1

(1) 2х-267=133; 2х=133+267=400; х=400:2=200; х=200;(2) 287+(120-х)=300; 120-х=300-287=13; х=120-13=107; х=107