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02-10-2020
Mathematics

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vanillanekox3 vanillanekox3

02-10-2020

Answer:

a. x = 7; b. 75

Step-by-step explanation:

Equilateral means all sides equal the same measurement

4x - 3 = 2x + 11

4x - 2x = 11 + 3

2x = 14

x = 7

Plug in x = 7 to any equation

4(7) - 3

28 - 3

25

Perimeter means add up all 3 sides

25 + 25 + 25

75

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