Jazamina13 Jazamina13

25-01-2017
Mathematics

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4 (x + 9) = 20 idk math

Respuesta :

Аноним Аноним

25-01-2017

X = 7

Very easy

hope it helped =D

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Аноним Аноним

25-01-2017

4(x + 9) = 20

1. 4 * x = 4x
    4 * 9 = 36
2. 4x + 36 = 20
    4x + 36-36 = 20 -36
3. 4x = - 16
    4x/4 =- 16/4
4. x = - 4

Answer: x = -4

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