当x为何值时,式子三分之四乘以x减5与3x+1的和等于9?

2025-05-14 19:02:22
推荐回答(1个)
回答1:

(4/3)X-5+(3X+1)=9
(4/3+3)X=9-1+5
(13/3)X=13
X=3