Solve the problem.The perimeter of the parallelogram below is 126 meters. Write a linear equation on two variables for the perimeter. Use this equation to find x when y is 14.
A. x + 4y = 126; x = 70 m
B. x + 4y = 63; x = 7 m
C. x + 4y = 126; x = 7 m
D. x + 4y = 63; x = 14 m
Answer: B
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