Page 191 - Math Course 2 (Book 1)
P. 191
Systems of Equations: Elimination
Your Turn!
Elimination Using Addition Elimination Using Subtraction
Use elimination to solve the system of equations. Use elimination to solve the system of equations.
3x – 5y = 12 9x – 2y = 30
x + 5y = 9 x – 2y = 14
A. (1, 2) A. (2, 2)
B. (2, 1) B. (–6, –6)
C. (0, 0) C. (–6, 2)
D. (2, 2)
D. (2, –6)
Answer Answer
Write and Solve a System of Equations
Four times one number added to another number
is –10. Three times the f rst number minus the
second number is –11. Find the numbers.
A. –3, 2
B. –5, –5
C. –5, –6
D. 1, 1
Answer
183
