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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?
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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?

User Swoox
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1 Answer

5 votes
(3x-1)+(x+9)+(12x-4)=52
16x+4=52
16x=48
x=3
User Joe Davis
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4.6k points
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