Simplify the expression: 10x + 45 ÷ 9 - (14 - 2x)
7th Grade Math Semester 1 Review

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Mathematics
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7th - 8th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
12x - 9
2.
FLASHCARD QUESTION
Front
Identify the constant in the expression: 34y - 23x + z - 77
Back
-77
3.
FLASHCARD QUESTION
Front
Combine the fruits: 11 oranges + 7 apples - 4 oranges
Back
7 oranges + 7 apples
4.
FLASHCARD QUESTION
Front
Calculate: -8 - (-3) + 4
Back
-1
5.
FLASHCARD QUESTION
Front
Order from least to greatest: [10, -5, 3, 16, -1, 0, 1]
Back
-5, -1, 0, 1, 3, 10, 16
6.
FLASHCARD QUESTION
Front
What is a variable in mathematics?
Back
A symbol used to represent an unknown value, often denoted by letters like x, y, or z.
7.
FLASHCARD QUESTION
Front
What is an expression in math?
Back
A combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.
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