I believe it’s 5,193.0315 I’m not to sure
Well, ....... X=57/2 or 28.5 but not are equivalent
Answer: 
Step-by-step explanation:
Group like terms:

Simplify the arithmetic:

Add 7 to both sides:

Simplify the arithmetic:

Simplify the arithmetic:

Divide both sides by 3:

Simplify the fraction:

Find the greatest common factor of the numerator and denominator:

Factor out and cancel the greatest common factor and the answer will be:

Answer:
SSS
Step-by-step explanation:
bc all the sides are congruent.