Question

determinati numarul nat x stiind ca x+1 supra 12=5/3

Answer 1

x+1 totul supra /12 =5/3

x+1=5/3 ×12/1

x+1=5×4 totul supra /1×1

x+1=20/1

x+1=20

x=20-1

x=19

Proba:

x+1 totul supra /12=19+1 totul supra /12=20/12 simplificat cu 4 = 5/3 (adevarat)

Answer 2

X+1/12=5/3

X+1=12*5/3

X+1=60/3

X+1=20

X=20-1

X=19