1. CH
AP
T ER
4
Linear Equations
1. Write ‘=’ or ‘≠’ in the given boxes.
(a) 0.7 + 1.5
0.85
(b) 19 days
2 weeks 5 days
2. For each of the following equations, write ‘T’ for a linear algebraic term. Otherwise write
‘F’.
1
(a) — p
(b) 7xyz
4
3. For each of the following equations, write ‘T’ for a linear algebraic expressions. Otherwise
write ‘F’.
1
(a) —
(b) 2a – 4 + 7b
r
4. For each of the following equations, write ‘T’ for a linear equation. Otherwise write ‘F’.
(a) x2 + 1 = 0
(b) 3(2x – 5) = 3x
5. For each of the following equations, write ‘T’ for a linear equation in one unknown.
Otherwise write ‘F’.
(a) 2x + 3y = 5
(b) 7 = 3p2
6.
2x � 3
3x
The diagram shows a triangle and the measurements of sides, in cm.
Form a linear equation if the perimeter of the triangle is 12 cm.
5x � 1
x+4
7. Write ——– = 3 as a statement.
5
8. Determine if the value given in the bracket is a solution of the given linear equation.
3x
(a) — = 7.5 (x = –5)
(b) 3(x + 8) = 12 + x (x = –5)
2
9. Use the trial and improvement method to solve 2x – 4 = –6.
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2. 1
0. Solve each of the following equations.
(a) 2 + x = –7
(b) x – 8 = 5
1
1. Solve each of the following equations.
(a) 5x = –120
(b) –x = 13
1
2. Solve each of the following equations.
x
(b) — – 1 = x – 17
3
(a) 6x + 5 = 47
1
3. Azmi is heavier than Bahrum by 6 kg. Their total mass is 150 kg.
What is Azmi’s mass?
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