Pre-Calc/Chapter 7: Systems and Matrices/7.1 Solving Systems of Two Equations/Solve Linear System by Elimination
Solve the system by elimination. 3x + 4y = 31 6x = 29 - 8y
Solve the system by elimination.
3x + 4y = 31
6x = 29 - 8y]]>
1.0000000
0.3333333
0
true
true
abc
(3, 5)
Incorrect
No solution
Correct
(9, 1)
Incorrect
(9, 5)
Incorrect
Solve the system by elimination. 9x - 7y = 72-6x + 4y = -48
Solve the system by elimination.
9x - 7y = 72
-6x + 4y = -48]]>
1.0000000
0.3333333
0
true
true
abc
(8, 0)
Correct
(8, 1)
Incorrect
No solution
Incorrect
(7, 1)
Incorrect
Solve the system by elimination. x - 3y = -10 6x - 4y = -18
Solve the system by elimination.
x - 3y = -10
6x - 4y = -18]]>
1.0000000
0.3333333
0
true
true
abc
(-2, 4)
Incorrect
No solution
Incorrect
(1, 4)
Incorrect
(-1, 3)
Correct
Solve the system by elimination.-4x - 7y = -17 2x - 3y = -11
Solve the system by elimination.
-4x - 7y = -17
2x - 3y = -11]]>
1.0000000
0.3333333
0
true
true
abc
(-2, 4)
Incorrect
(-1, 4)
Incorrect
No solution
Incorrect
(-1, 3)
Correct