A chain thats 5 links long is joined to a chain 7 links long. How many links long is the resulting chain?
1 answer:
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Answer:
a:
Step-by-step explanation:
Answer:
Y-3 = 2(x+1)
open the brackets
Y-3 = 2x+2
Y = 2x+5..... this is the answer when solving for Y
if were solving for x:
Y-3 = 2x+5
Y-8 = 2x