katelynlgutierrez05 katelynlgutierrez05
  • 25-08-2019
  • Mathematics
contestada

-12(x - 12) =-9(1 + 7x)

Respuesta :

saniakhadye
saniakhadye saniakhadye
  • 25-08-2019

Answer: x = -3

Step-by-step explanation:

Let’s use the distributive property

-12(x-12) = -9(1+7x)

-12x+144= -9-63x

Then let’s get all the numbers and variables on each side

51x= -153

Next let’s divide each side by 51

X=-3

Finally let’s check our answer by substituting ‘x’ for -3

-12(-3 -12)= -9(1 +7(-3))

36+144= -9 + 189

180 = 180

So ‘x = -3’ is the correct answer

Answer Link
anna1276 anna1276
  • 25-08-2019
The answer is x= -3 yw
Answer Link

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