84.0k views
4 votes
Tres veces la cantidad de un número menos 4 es igual a dos veces la suma del numero

más tres. ¿Cuál es el número?

User Razorbeard
by
8.4k points

2 Answers

1 vote

Answer:

El número es

10

Step-by-step explanation:

3a - 4 = 2(a+3)

3a - 4 = 2*a + 2*3

3a - 4 = 2a + 6

3a - 2a = 6 + 4

a = 10

Comprobación:

3*10 - 4 = 2(10+3)

30 - 4 = 2*13 = 26

User Dolphin
by
7.3k points
3 votes
Three times the amount of a number minus 4 is equal to twice the sum of the number
plus three. What is the number?
User Jannik Weichert
by
7.7k points
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