For what value of x is line a parallel to line b?
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X=

Answer:
x = 20
Step-by-step explanation:
if line a and line be are parallel theb 5x + 15 must be equal to 115
(5x + 15)° = 115° add like terms
5x = 100
x = 20
Answer:
the answer is 20
Step-by-step explanation: