So what you need to do is to put X alone so what you do is +3 on both sides so only 7x=7x is left. then do the opposite and divide 7 with 7 you get 1x thats your answer
Where is the problem that we have to solve
Okkk so u need to use the Pythagorean Theorum.
a=x
b=1
c=5
so...
Solve that
Answer:
wala sa choices ang sagot.
ANS: 128
EXPLANATION
a(9)=14+2(9-1)
a(9)=14+2(8)
a(9)=16(8)
9= 128
yan sagot ko po
