X+2x+3x+4x=9x. x is a variable that represents the number of points he won so far
Sounds like rearranging to me:
P=2(a+b) -- expand brackets
P=2a+2b -- subtract 2a
P-2a=2b -- divide by 2
b=(P-2a)/2
Answer:
-7,340,032
Step-by-step explanation:
1) rewrite the equation by completing the square
(X+4)^2=9
2) what are the solution to the equation
Answer A= X=-4 plus and minus 3
Answer:
31 and 37 are the only prime numbers between 30 and 40
