1 answer:
P=s1+s2+s3
Move +s1 to the other side. Sign changes from +s1 to -s1
P-s1=s1-s1+s2+s3
p-s1=s2+s3
Move s2 to the other side. Sign changes from s2 to -s2
p-s1-s2=s2-s2+s3
p-s1-s2=s3
Answer: p-s1-s2=s3
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Answer:
1089/20 (Decimal: 54.45)
Answer:
20 cm
because
1 cm = 0.1 dm
so 1 dm = 10 cm
then:
2 dm = 2 * 10 cm = 20 cm
Answer:
-9y + 19
Hope that helps.
I think you dive 18.3 by 5 which gives you 3.66
