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Elementary School: 3rd, 4th & 5th Grade
Math
Algebra - Equations With Brackets
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Q.1
If 16(a + 7) = 128, what is the value of a?
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1
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2
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3
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4
Q.2
If 5(x + 2) = -35, what is the value of x?
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-5
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-9
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-10
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10
Q.3
2x - 6 could be written as which of the following?
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(x - 3)2
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2(x - 3)
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Either of the above
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Neither of the above
Q.4
5(a - 4) is the same as which of the following?
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5a + 20
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5a - 20
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5a - 4
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5a4
Q.5
3 x a + 4 = 6 is the same as which of the following?
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3 x a = 6 - 4
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3 x a = 6 / 4
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3 x a = 6 + 4
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3 x a = 6 x 4
Q.6
3b - 16 + b = 1 is the same as which of the following?
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4b = 1 - 16
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4b = 1 / 16
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4b = 1 + 16
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4b = 1 x 16
Q.7
If 4(x - 5) = 10, what is the value of x?
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5
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7.5
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10
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15
Q.8
3a + 6 + b = 3a + 5 is the same as which of the following?
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b = 3a - 3a + 5 - 6
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b = 3a + 3a + 5 - 6
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b = 3a - 3a - 5 + 6
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b = 3a - 3a + 5 + 6
Q.9
If 6a - 5 = 20, which of the following is incorrect?
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6a = 25
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a = 25 / 6
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a = 41⁄6
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a = 4.25
Q.10
Look at the following equation and choose the correct answer when the brackets have been expanded: 4(a + 3) = 5(b - 8)
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4a - 12 = 5b - 40
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4a - 12 = 5b + 40
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4a + 12 = 5b - 40
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4a + 12 = 5b + 40
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