Question 571959
Let x be the number

Five times of x = 5x
Three times of x = 3x

5x+7=3x+11
5x-3x=11-7
2x=4
2x/2=4/2
x=2

Number is 2

Check
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5x+7=3x+11
5(2)+7=3(2)+11
10+7=6+11
17=17