Q: Two times a number increased by 13?

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If ten times the number n decreased by 13 is equal to the square of the same number n increased by 3, then the value of n is either 8 or 2.

x = 8, y = 5

13 less than 4 times a number 13 less than is "-13" 4 times a number is "4x" 4x-13■

if the number is the same: 2x + 3x = 13 5x = 13 x= 13/5

Nine less than twice a number equals the same number increased by four?

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If ten times the number n decreased by 13 is equal to the square of the same number n increased by 3, then the value of n is either 8 or 2.

(-8,1)

x = 8, y = 5

13 less than 4 times a number 13 less than is "-13" 4 times a number is "4x" 4x-13■

No. A square number is the product of a number multiplied by itself. Nine (3 times 3) and 16(4 times 4) are the two square numbers closest to 13.

x + y = 13 . . . . . . . . . . (A)2*x + 3*y = 1 . . . . . . . (B) (B) - 2*(A) : y = -25 Then, by (A) x - 25 = 13 so that x = 38.

if the number is the same: 2x + 3x = 13 5x = 13 x= 13/5

How about 9 times 13 = 117 as one example

Nine less than twice a number equals the same number increased by four?

A number is divisible by 13 if it is a multiple of 13. In other words, 13 times a number results in a big number that is divisible by 13.

The 13th square number is simply 13 times 13 = 169

three-seventh of a number, increased by fourteen