Systems of Equations by Substitution - Kuta Software

Kuta Software - Infinite Pre-Algebra

Name___________________________________

Solving Systems of Equations by Substitution

Date________________ Period____

Solve each system by substitution.

1) y = 7 x ? 10

y = ?3

2) y = ?8

y = ?2 x ? 12

3) y = 6 x

y = 5x + 7

4) y = 9 x ? 9

y=9

5) y = ?4

y=x?8

6) y = 8 x ? 9

y=7

7) y = 6 x ? 14

y = ?8 x

8) y = 2 x ? 15

y = 5x

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Worksheet by Kuta Software LLC

9) y = ?8 x

2x + 4 y = 0

10) 6 x + 7 y = 20

y = 2x

11) ?3 x ? 5 y = 6

y = ?3

12) 6 x ? 5 y = 22

y = ?8

13) y = 2 x

3 x + 3 y = ?18

14) y = 8 x

?5 x ? 5 y = 0

15) y = ?3

?5 x ? 3 y = 14

16) y = 3 x

?3 x ? y = ?24

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Worksheet by Kuta Software LLC

Kuta Software - Infinite Pre-Algebra

Name___________________________________

Solving Systems of Equations by Substitution

Date________________ Period____

Solve each system by substitution.

1) y = 7 x ? 10

y = ?3

2) y = ?8

y = ?2 x ? 12

(1, ?3)

3) y = 6 x

y = 5x + 7

(?2, ?8)

4) y = 9 x ? 9

y=9

(7, 42)

5) y = ?4

y=x?8

(2, 9)

6) y = 8 x ? 9

y=7

(4, ?4)

7) y = 6 x ? 14

y = ?8 x

(2, 7)

8) y = 2 x ? 15

y = 5x

(1, ?8)

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(?5, ?25)

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Worksheet by Kuta Software LLC

9) y = ?8 x

2x + 4 y = 0

10) 6 x + 7 y = 20

y = 2x

(0, 0)

(1, 2)

11) ?3 x ? 5 y = 6

y = ?3

12) 6 x ? 5 y = 22

y = ?8

(3, ?3)

(?3, ?8)

13) y = 2 x

3 x + 3 y = ?18

14) y = 8 x

?5 x ? 5 y = 0

(?2, ?4)

15) y = ?3

?5 x ? 3 y = 14

(0, 0)

16) y = 3 x

?3 x ? y = ?24

(?1, ?3)

(4, 12)

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Worksheet by Kuta Software LLC

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