SOLUTION: What´s the solution to: (3a-12a+8a-9b-7b+8b-11b+80) solution to: 3x(1+2+5+9)+(3y-9y+4x-12x)

Algebra ->  Expressions -> SOLUTION: What´s the solution to: (3a-12a+8a-9b-7b+8b-11b+80) solution to: 3x(1+2+5+9)+(3y-9y+4x-12x)      Log On


   

Question 282697: What´s the solution to: (3a-12a+8a-9b-7b+8b-11b+80)
solution to: 3x(1+2+5+9)+(3y-9y+4x-12x)
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
3a-12a%2B8a-9b-7b%2B8b-11b%2B80 add like terms
3a-12a%2B8a=-1a
-9b-7b%2B8b-11b=-19b
80=80
highlight+%28-a-19b%2B80%29
________________
3x(1+2+5+9)=3x%2B6x%2B15x%2B27x=51x
+
(3y-9y+4x-12x)=-6y-8x
=51x-6y-8x=highlight%2843x-6y%29