Answer:
13m-2
Step-by-step explanation:
(20m+3)-(7m-5)
20m+3-7m+5
13m-2
Answer:
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Step-by-step explanation:
Answer:
true
Step-by-step explanation:
3 + (5 + 7) = (3 + 5) + 7
3 + (12) = (8) + 7
15 = 15
Answer:
x=106 degrees
Step-by-step explanation:
The two opposite angles in a parallelogram are always the same and we know 360 degrees in a parallelogram.
x+x+74+74=360.
2x+148=360
2x=212
x=106 degrees