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10 questions · self-marked practice — reveal the answer and mark yourself.

Question 51 Mark
Which number should be subtracted from 8 to obtain 2?
Answer
8 – y = 2
∴ y = 8 – 2
∴ y = 6
∴ 8 – 6 = 2
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Question 71 Mark
Solve the following equations : $2 p=p+\frac{4}{9}$
Answer
$ 2 p=p+\frac{4}{9}$
$\therefore 2 p-p=\frac{4}{9}$
$\therefore p=\frac{4}{9} $
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Question 81 Mark
Solve the following equations : $\frac{x}{3}=2$
Answer
$\frac{x}{3}=2$
$ \therefore x =2 \times 3$
$\therefore x =6$
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Question 91 Mark
Solve the following equations : $3 y+8=22$
Answer
3y + 8 = 22
∴ 3y = 22 – 8
∴ 3y = 14
$\therefore y=\frac{14}{9}$
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