Question

50*x+28=400-72 помогите

Answer 1

5$50x+28=400-72 \ 50x=400-72-28 \ 50x=400-100 \ 50x=300 \ x=frac{300}{50}=6$

Answer 2

50x+28=400-72
50x=328-28
50x=300
x=6