Answer:
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Step-by-step explanation:
x=2,6
the first one
8x+5
10x-2-2x+7= 8x+5
12) 4x- y=8
5x+y=1
Correct.
60cm
total length of wood = 3m
number of sections = 5
width of each section = 3/5 = 0.6 m
= 60cm