Answer:
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Step-by-step explanation:
Width = 7 cm.
Create your equation. 2x + 2(2x + 17) = 76
Distribute 2 to 2x and 17. 2x + 4x + 34
Combine like terms. 6x + 34 = 76
Subtract 34 from both sides.
6x = 42
Divide both sides by 6.
x = 7
