单选题If 5/x+4/5=1, what is the value of x?A-25/4B-4C-5/4D-1/5E25
单选题
If 5/x+4/5=1, what is the value of x?
A
-25/4
B
-4
C
-5/4
D
-1/5
E
25
参考解析
解析:
Multiply by 5x to clear fractions. 25+4x=5x, x=25
Multiply by 5x to clear fractions. 25+4x=5x, x=25
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