Shifting one term from one side of an equation to another side with a change of sign is known as
(a) commutativity (b) transposition
(c) distributivity (d) associativity
Which of the following numbers satisfy the equation –6 + x = –12 ?
(a) 2 (b) 6 (c) – 6 (d) – 2
Which of the following equations cannot be formed using the equation x = 7 ?
(a) 2x + 1 =15 (b) 7x – 1 = 50 (c) x – 3 = 4 (d) 7/x – 1 = 0
Which of the following equations can be formed starting with x = 0 ?
(a) 2x + 1 = – 1 (b) x/2+ 5 = 7 (c) 3x – 1 = – 1 (d) 3x – 1 = 1
Explain the meaning of ‘commoditisation’ with the help of examples.
The equation having – 3 as a solution is:
(a) x + 3 =1 (b) 8 + 2x = 3 (c) 10 + 3x = 1 (d) 2x + 1 = 3
The equation having 5 as a solution is:
(a) 4x + 1 = 2 (b) 3 – x = 8 (c) x – 5 = 3 (d) 3 + x = 8
x exceeds 3 by 7, can be represented as
(a) x + 3 = 2 (b) x + 7 = 3 (c) x – 3 = 7 (d) x – 7 = 3
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