Answer:

or

Step-by-step explanation:
Divide the numerator and the denominator by the same number:

or
Multiply the numerator and the denominator by the same number:

Answer: 55x +200 = 530 x=6
Step-by-step explanation:
55x +200 = 530
-200 -200
-------------------------------------------
55x = 330
divide by 55 on both sides
-------------------------------------------------
x=6
Answer: 14.6
Step-by-step explanation:
I made a square around the triangle which I then counted the squares, found the Pythagorean theorem, and then added the missing sides together
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