わからないです！ (2)の答えはｘ＝11です！
解りにくかったらすみません
(❁´ω`❁)ｱﾘｶﾞﾄｳｺﾞｻﾞｲﾏｽ
Users viewing this question are also looking at these questions 😉
(❁´ω`❁)ｱﾘｶﾞﾄｳｺﾞｻﾞｲﾏｽ