X=几?5X-4=40 5(X-4)=40 (48-3X)÷3=0 X+5X-7X=几?5X-4=40 5(X-4)=40 (48-3X)÷3=0X+5X-7=11
问题描述:
X=几?5X-4=40 5(X-4)=40 (48-3X)÷3=0 X+5X-7
X=几?
5X-4=40 5(X-4)=40 (48-3X)÷3=0
X+5X-7=11
答
X=几?5X-4=40 5(X-4)=40 (48-3X)÷3=0 X+5X-7
X=几?
5X-4=40 5(X-4)=40 (48-3X)÷3=0
X+5X-7=11