If you could write out the whole problem exactly how it is, I can solve it for you.
If x- 7 = 14 then X = 21. so 21-2= 19. :)
90,000,000+300000+400000+700000+2000+800+10
<span>x^2+y^2=49
</span>
Radius 7
Center (0,0)
<span>x^2+y^2=324
</span>
Radius 18
Center (0,0)
<span>x^2+(y+2)^2=121
Radius 11
Center (0, -2)
</span><span>
(x+10)^2+(y+9)^2=8
</span>
Radius 2√2≈2.82843
Center (-10, -9)