Answer:
n=-1
Step-by-step explanation:
7n + 28 = 21
subtract 28 on both sides
7n= -7
divide by seven on both sides
n= -1
Answer:
8n + 4
Step-by-step explanation:
8-9n-n-4 collect like terms
9n-n+8-4
8b+4
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Answer:
c. <N
Step-by-step explanation:
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One is c two is also c three is c and the fourth is d
Answer:
x=0
Step-by-step explanation:
13x-2 = 10x-2
Subtract 10x from each side
13x-10x-2 = 10x-2 -10x
3x-2 = -2
Add 2 for each side
3x-2+2 = -2+2
3x= 0
divide by 3
3x/3 = 0/3
x =0
