Unknown number 5

I think of an unknown number. If we enlarge it five times, then subtract 3, and the result decreases by 75%, we get one greater than the number. What number am I thinking?

Correct answer:

x =  7

Step-by-step explanation:

r=100%75%=110075=0.25  (5x3) r=1+x (5x3) 0.25=1+x  (5 x3) 0.25=1+x  0.25x=1.75  x=0.251.75=7  x=7



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