Asked by Candy
X-2y=-1
2x+y=4
solve each system using elimination. Tell whether the system has one solution, many solutions, or no solution.
2x+y=4
solve each system using elimination. Tell whether the system has one solution, many solutions, or no solution.
Answers
Answered by
PsyDAG
2x+y = 4
Multiply first equation by 2.
2x - 4y = -2
Subtract first equation from second.
5y = 6
y = 6/5 = 1.2
Multiply first equation by 2.
2x - 4y = -2
Subtract first equation from second.
5y = 6
y = 6/5 = 1.2
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