The perimeter of an equilateral triangle is 63 inches. If the length of each side is (3x-9), find the value of x.

HSLM asked Feb 6, 2023

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HSLM asked Feb 6, 2023

by HSLM

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26 votes

Answer:

Explanation:

There are 2 ways to do this.

4(3x-9)=63; 12x-36=63; 12x=99; x=8. Or: (3x-9)+(3x-9)+(3x-9)+(3x-9)=63; 12x-36=63; 12x=99; x=

Dabious answered Feb 12, 2023

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