二x减7分之三乘一五分之四等于5.6,解方程

2024-12-15 23:38:02
推荐回答(4个)
回答1:


回答2:

2X-3/7×4/5=5.6
2X-12/35=5.6
2X=56/10+12/35
2X=392/70+24/70
2X=416/70
X=416/70÷2
X=416/140
X=104/35

回答3:

如图

回答4:

(2x-3/7)(4/5)=5.6
2x-3/7=7
14x-3=49
14x=52
x=26/7