Equilateral Triangle
1. The problem states the side lengths of an equilateral triangle as expressions: $$3w + 8$$, $$5w - 14$$, and $$2w + 19$$.
2. Since all sides of an equilateral triangle are equal, we set these expressions equal to each other:
$$3w + 8 = 5w - 14 = 2w + 19$$
3. First, equate the first two expressions:
$$3w + 8 = 5w - 14$$
4. Solve for $$w$$:
$$3w + 8 = 5w - 14$$
$$8 + 14 = 5w - 3w$$
$$22 = 2w$$
$$w = \frac{22}{2} = 11$$
5. Now, check if this $$w$$ satisfies the third side equal to the others:
Calculate $$2w + 19$$:
$$2(11) + 19 = 22 + 19 = 41$$
Calculate $$3w + 8$$:
$$3(11) + 8 = 33 + 8 = 41$$
Calculate $$5w - 14$$:
$$5(11) - 14 = 55 - 14 = 41$$
6. Since all three expressions equal 41, $$w = 11$$ is the correct solution.
7. The side length of the equilateral triangle is therefore $$41$$ units.