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Sloan [31]
4 years ago
15

5 times a number added to 3/5 is 3

Mathematics
1 answer:
Mandarinka [93]4 years ago
6 0
5x +3/5=3 is TRUE
where x= number 
First find the value of the x
5x=3-3/5
(Find common denominator; which is 5)
5x=15/5-3/5
5x=12/5

then transpose 5 and divide it to 12/5 
x= 12/5 /5

since you cannot divide fractions, you have to reciprocate the divisor which is 5 and then multiply. 5 becomes 1/5

x= 12/5 x 1/5
x= 12/25 

Prove: 5x+3/5=3

5 (12/25) +3/5=3

(Find common denominator for both; which is 25)

60/25+3/5=3
60/25+15/25=3
75/25=3
3=3



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