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Mathematics Algebra

English 17 Public

Math Grade 7

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Solve.

n = 20

15

Solve

a = 20

20

Solve.

n = 5

10

Solve.

n = 10

25

Solve.

n = 5

20

Solve.

n = 10

5

Solve.

a = 40

15

Solve.

n = 10

20

Solve.

a = 15

10

Solve.

n = 5

15

Solve.

n = 3

15

Solve.

n = 12

15

Solve.

n = 12

25

Solve.

a = 21

25

Solve.

a = 8

5

Solve.

a = 30

15

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