If you meant what I asked above, then your answer is -44. If you add negative numbers, they go down instead of up or they basically became the opposite of positive if that makes sense.
Answer:
x = 3.5
Step-by-step explanation:
diameter = radius × radius
d= ( 3x + 1 ) + ( x + 8 )
3x + 1 = x + 8
subtract 1 and x
2x = 7
divide by 2
x = 3.5
Answer:.....
Step-by-step explanation:sorry bro didnt want to troll you but needed points for my answer