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AssignmentMultiple Choice

Solving Systems of Linear Equations: Linear Combinations

Question 1 • FL-1200310-Algebra 1

Which constants can be multiplied by the equations so one variable will be eliminated when the systems are added together?5x + 13y = 23212x + 7y = 218The first equation can be multiplied by –13 and the second equation by 7 to eliminate y. The first equation can be multiplied by 7 and the second equation by 13 to eliminate y. The first equation can be multiplied by –12 and the second equation by 5 to eliminate x.The first equation can be multiplied by 5 and the second equation by 12 to eliminate

Answer
A
The first equation can be multiplied by –13 and the second equation by 7 to eliminate y.
B
The first equation can be multiplied by 7 and the second equation by 13 to eliminate y.
C
The first equation can be multiplied by –12 and the second equation by 5 to eliminate x.
D
The first equation can be multiplied by 5 and the second equation by 12 to eliminate x.
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