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lisabon 2012 [21]
3 years ago
7

Three less than two times a number is 55. What is the number ?

Mathematics
2 answers:
vampirchik [111]3 years ago
6 0
2x-3=55
You solve the equation as follows: 
2x-3=55
    -3   -3
2x=52
/2    /2
x= 26
The number is 26
Aloiza [94]3 years ago
5 0
29
2x29=58-3 =55
3-2x (x=29) =55
29x2=58-3
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