Asked by Lindsey
Solve each system using substitution. tell whether the system has one solution, infinitely many solutions, or no Solution.
1.) y=2x -1
2x +2y= 22
1.) y=2x -1
2x +2y= 22
Answers
Answered by
Steve
since y=2x-1,
2x + 2(2x-1) = 22
6x = 24
x = 4
so, y = 2x-1 = 7
one solution.
2x + 2(2x-1) = 22
6x = 24
x = 4
so, y = 2x-1 = 7
one solution.
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