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Answer:
adjacent angles are 50° and 130°
Step-by-step explanation:
The sum of all 4 angles in a parallelogram is 360°, so the fourth angle must be ...
360° -310° = 50°
Adjacent angles are supplementary, so the other two angles must be ...
180° -50° = 130°
The angles in the parallelogram are either 50° or 130°. Adjacent angles are different.
Answer:

Step-by-step explanation:

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Answer:
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Step-by-step explanation:

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Factor out 2 on the numerator and 2x on the denominator.
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Cancel the factor (x + 2) on the numerator/ denominator
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← cancel the 2 on numerator/ denominator
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: x ≠ 0