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help me please!!
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Help Me Pleasetextex class=

Răspuns :

Petruscoica
A) -8(1-8n)=-200
1-8n=25
-8n=25-1
-8n=24
n=24÷(-8)
n= -3

B) -385=7(1-8x)
55= -(1-8x)
55= -1+8x
-8x= -1-55
-8x= -56
x= -56÷(-8)
x=7

C)-34+2k= -6(1-6k)-6k
-34+2k= -6+36k-6k
-34+2k= -6+30k
2k-30k= -6+34
-28k=28
k=28÷(-28)
k= -1

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