Answer:
x+7
Step-by-step explanation:
Remove Parentheses
Collect like terms
Calculate
Answer:
I could be wrong, but here is what I think.
Angle P and Angle S are ADJACENT angles and are EQUAL.
Step-by-step explanation:
Answer:
m∠A and m∠B = 130°
m∠D = 50°
Step-by-step explanation:
If all angles equal 360° and angles A and B are equal then we know the A + D and B + C equal 180° then it's simple subtraction to figure out the degrees of all the angles
Answer:

Step-by-step explanation:





