Algebra Expressions

Translate the following algebraic expression into a word phrase:

8 - 7x

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k + 7k

• 8k

• 7k²

• 7kk

• 72k

10 less than a number

• 10 + x

• x - 10

• 10 - x

• 10x

? + 9 = 15

• ? = 24

• ? = 6

4 more than twice a number

• 2x + 4

• 2 + x + 4

• 2x - 4

• 2/x + 4

x + x + x + x

• x⁴

• x

• 4x

• x₄

Victoria has 70 more marbles than Andrew. If Andrew has y marbles, how many does Victoria have?

• y/70

• 70y

• y - 70

• y + 70

Austin has n games. Elijah has 4.5 times the number of games Austin has.  How many more games does Elijah have than Austin?

• 4.5 + n

• 4.5n

• 4.5x

• 4.5 - n

What is the value of x - 4 when x = 9?

• 5

• 4

• 9

• 94

What is the value of 9n when n = 3?

• 93

• 21

• 9.3

• 27