The side lengths of a triangle can be modeled by the following expressions. Side a: 3x – 1 Side b: x + 9 Side c: 12x -4

Question

The side lengths of a triangle can be modeled by the following expressions.
Side a: 3x – 1
Side b: x + 9
Side c: 12x -4
If the perimeter of the triangle is 52 inches, what is the value of x?

in progress 0
Gia Bảo 6 months 2021-08-18T07:27:12+00:00 1 Answers 0 views 0

Answers ( )

    0
    2021-08-18T07:28:32+00:00

    (3x-1)+(x+9)+(12x-4)=52
    16x+4=52
    16x=48
    x=3

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )