📝 Systems of Linear Equations: Practice B (A-REI.C.6)

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Solve systems of linear equations exactly and approximately. Solve each problem.

1. y = 2x + 9
x + y = 3

2. y = 2x + 6
x + y = 0

3. Adult tickets cost $13, child tickets $3. 38 tickets sold for $164. How many adult tickets?

4. y = 2x + 20
x + y = 2

5. y = 2x + 19
x + y = 1

6. Adult tickets cost $9, child tickets $4. 37 tickets sold for $203. How many adult tickets?

7. y = 2x
x + y = -3

8. y = 2x − 4
x + y = -4

9. Adult tickets cost $11, child tickets $6. 13 tickets sold for $88. How many adult tickets?

10. y = 2x + 2
x + y = 5

11. y = 2x − 9
x + y = 9

12. Adult tickets cost $14, child tickets $6. 30 tickets sold for $340. How many adult tickets?

Answer key: 1) (-2, 5) · 2) (-2, 2) · 3) 5 · 4) (-6, 8) · 5) (-6, 7) · 6) 11 · 7) (-1, -2) · 8) (0, -4) · 9) 2 · 10) (1, 4) · 11) (6, 3) · 12) 20

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Worksheets › Grade 9 Math (Algebra I) › Systems of Linear Equations › Systems of Linear Equations

Grade 9 (ages 14–15)Numbers & mathsFree printable PDF

About this grade 9 worksheet

Free Grade 9 Algebra I math worksheet (Common Core A-REI.C.6): systems of linear equations — a second set of twelve practice problems, with answer key. Skill: Solve systems of linear equations exactly and approximately. Level: Grade 9 — also suits Year 10 (UK).

For teachers: skills & standards

CCSS A-REI.C.6: Solve systems of linear equations exactly and approximately
Works as a morning-work page, a centre/station activity, homework or an early-finisher task.

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Solve systems of linear equations exactly and approximately.

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More “Systems of Linear Equations” printables (a-rei.c.6: solve systems of linear equations exactly and approximately)

Systems of Linear Equations: Practice A (A-REI.C.6) · Systems of Linear Equations: Word Problems (A-REI.C.6) · Systems of Linear Equations: Show Your Thinking (A-REI.C.6) · Systems of Linear Equations: Quick Check (A-REI.C.6)

All 5 systems of linear equations sheets → · Grade 9 Math (Algebra I): all 10 skills → · All Common Core grades

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