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15-10-2020
Mathematics

contestada

Five less than three times a number is 1. Find the number

Respuesta :

15-10-2020

Answer:

n = 2

Step-by-step explanation:

Step 1: Write equation

"Five less" = subtract 5

"three times a number" = 3 × n, or 3n

"is 1" means = 1

3n - 5 = 1

Step 2: Solve for n

Add 5 to both sides: 3n = 6
Divide both sides by 3: n = 2

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