2 Mark Question

Question 12 Marks

Solve the following equations:
p + 4 = -1

Answer

p + 4 = – 1
∴p + 4 – 4 = -1 – 4
…. (Subtracting 4 from both sides)
∴p + 0 = (-1) + (-4)
∴P = -5

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Question 22 Marks

Solve the following equations:
m – 5 = -12

Answer

m – 5 = -12
∴m – 5 + 5 = – 12 + 5
…. (Adding 5 to both sides)
∴m + 0 = -7
∴m = -7

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Question 32 Marks

Solve the following equations:
x + 10 = 5

Answer

x + 10 = 5
∴ x + 10 – 10 = 5 – 10
…. (Subtracting 10 from both sides)
∴ x + 0 = 5 + (-10)
∴ x = -5

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Question 42 Marks

Solve the following equations:
$\frac{p}{4}=9$

Answer

$\begin{aligned} & \text {} \frac{p}{4}=9 \\ & \therefore \frac{p}{4} \times 4=9 \times 4 \ldots \text { (Multiplying both sides by } 4 \text { ) } \\ & \therefore \frac{p \times 4}{4 \times 1}=36 \\ & \therefore 1 p=36 \\ & \therefore p=36\end{aligned}$

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Question 52 Marks

Solve the following equations:
19 = m – 4

Answer

19 = m -4
∴ 19 + 4 = m – 4 + 4
…. (Adding 4 to both sides)
∴ 23 = m + 0
∴ m = 23

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Question 62 Marks

Solve the following equations:
4x = 52

Answer

$4 x=52$$\therefore \frac{4 x}{4}=\frac{52}{4}$.... (Dividing both sides by 4 )$\begin{aligned}& \therefore 1 x=13 \\& \therefore x=13\end{aligned}$

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Question 72 Marks