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Answer:
I believe it would be 5/7x=12
Step-by-step explanation:
First I took the 4 and 1 and added that give me 5 after, I did 4x plus 3 and that’s 7 so I added on the x and last I put equal 12 because if I add that all up that is 12
2nd option is the correct answer
sofia is correct.
Answer:
15
Step-by-step explanation:
The given is a special right triangle and an isosceles
The angles are 45-45-90 and side lengths are represented by a-a-a
Here as we can see the side length which sees angle measure 45 is 15 (that is represented by a) so a = 15
if a is 15 then x = 15