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primary 6 | Maths | Algebra
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Firas
Firas

primary 6 chevron_right Maths chevron_right Algebra chevron_right Singapore

Help dont understand

Date Posted: 4 years ago
Views: 263
snell
Snell
4 years ago
lamp post consists of 2 parts:
silver part &
black part
total length is the sum of 2 parts
= silver add black

(a)
length of lamp post is (x+3) m

(b)
silver part is longer than black part
to find the difference, we subtract the shorter length from the longer length

so
silver part is longer than the black part by the length of
3 minus x = (3-x) m

.
.
.

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Veena Dinesh Wadhwani
Veena Dinesh Wadhwani's answer
8 answers (Tutor Details)
1st
Since this is algebra, x represents a number so you should just treat x as a regular number and work on the question as you would if x had a value.