4-0.7x=3.794-0.7x=3.79 1/6+2/7x=42

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4-0.7x=3.794-0.7x=3.791/6+2/7x=424-0.7x=3.794-0.7x=3.791/6+2/7x=424-0.7x=3.794-0.7x=3.791/6+2/7x=424

4-0.7x=3.794-0.7x=3.79 1/6+2/7x=42
4-0.7x=3.79
4-0.7x=3.79 1/6+2/7x=42

4-0.7x=3.794-0.7x=3.79 1/6+2/7x=42
4-0.7x=3.79
移项得:
4-3.79=0.7x
0.7x=0.21
x=0.21÷0.7
x=0.3

移项
0.7x=4-3.79
0.7x=0.21
x=0.21÷0.7
x=0.3

你好!
4-0.7x=3.79
0.7x=4-3.79
0.7x=0.21
x=0.3
祝你学习进步,望采纳,谢谢!!!!!!!!!O(∩_∩)O~