jonesjazzmyne1 jonesjazzmyne1

13-06-2020
Mathematics

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Explain why this statement is true:
7a +4 – 2a = 7a + (-20)+4

Respuesta :

SvetkaChem SvetkaChem

13-06-2020

Answer:

This equation has one solution so given statement is true.

Step-by-step explanation:

7a +4 – 2a = 7a + (-20)+4

5a + 4 = 7a - 16

5a - 7a = -16 - 4

- 2a = - 20

a = 10

This equation has one solution so given statement is true.

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