解方程我要列示. 2⼀3X+1⼀2X=42

2024-12-15 02:31:15
推荐回答(5个)
回答1:

解:2/3X+1/2X=42
两边同时乘以6,得:
2/3Xx6+1/2Xx6=42x6
4x+3x=252
7x=252
x=252÷7
x=36

回答2:

2/3x+1/2x=42
解:4/6x+3/6x=42
7/6x=42
x=42÷7/6
x=36

回答3:

2/3X+1/2X=42
两边同时乘以6,得:
4x+3x=42×6
7x=42×6
x=36

回答4:

(2/3+1/2)X=42
7/6X=42
X=42÷7/6
X=36

回答5:

4/6x+3/6x=42
(4/6+3/6)x=42
7/6x=42
x=42*6/7=36