7x-2.7*5=25怎么解方程?

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7x-2.7*5=25怎么解方程?
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7x-2.7*5=25怎么解方程?
7x-2.7*5=25怎么解方程?

7x-2.7*5=25怎么解方程?
7X-2.7*5=25
7x=25+2.7*5
7x=25+13.5
7x=38.5
x=38.5/7
x=5.5

7x-2.7*5=25
7x=25+2.7*5
x=38.5/7
x=5.5

7x=25+2.7*5
7x=25+13.5
x=38.5/7
x=5.5

7x-2.7×5=25
7x=38.5
x=5.5

7x=25+2.7*5
7x=25+13.5
x=38.5/7
x=5.5

7X-2.7*5=25
7x=25+2.7*5
7x=25+13.5
7x=38.5
x=38.5/7
x=5.5