Answer:

Step-by-step explanation:
We remove the bracket and rearrange the numbers to add them. Only similar variables can be added together.

If the 3 is supposed to be replaced by any x's, then the answer would be 29 I believe.
Answer:
y = 7
x = 2/3
Step-by-step explanation:
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Answer:
True
Step-by-step explanation:
- They both have a 90 degree angle
- 90+38=128
- 180-128=52
- The triangles are similar by AAA(Angle Angle Angle)