Answer:
x=10
Step-by-step explanation:
Step-by-step explanation: so u are going to put it like this x- -6 =5
Next u subtract -6 from both sides
x=11
x would be 54 degrees
Since x lies on a straight line, and it gives you the other angle (126) just subtract 180 and 126.
180 - 126 = 54
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