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MODULE 4
ALGEBRA I
THE ALGEBRA MILLIONAIRE
explanation
exercise
challenge
4.1
expressions
a
+
b
4.2
equations I
a
+ 1 = 3
4.3
equations II
0.3
a
- 0.6 = 0.1(4 + 3.5
a
)
4.4
transposition
a
= 2
b
Þ
b
= 0.5
a
4.5
words to symbols
the sum of
a
and
b
is
a
+
b
4.6
word problems
Ali weighs twice as much as Yousuf and thrice as much as Khaled.
Together they weigh 110 kg. What is Ali's weight?
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