a triangle has one side that measures x, and the other two sides each measure 4 inches less than x. the perimeter is 19 inches.

what is the measure of x?
(a) 2
(b) 3
(c) 5
(d) 9

Measure of one side of a triangle is given = x
Measure of the other two sides of the triangle = x - 4
Perimeter of the triangle = 19 inches
Then
x + x - 4 + x - 4 = 19
3x - 8 = 19
3x = 19 + 8
3x = 27
x = 9
From the above deduction, it can be easily concluded that the correct option among all the options that are given in the question is the fourth option or the last option or option "D". I hope that the procedure is clear enough for you to understand.

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