2a-6a-a=b+4b-4b -5a=5b-4b -5a=1b a=-5 b=1
4b.
4b
4b
5b = 21 + 4b 5b - 4b = 21 + 4b - 4b b = 21
4b
Well if it is worded right then 4xb-1+(-4)+4b=4b-1-4+4b=4b+4b-1-4=8b-5
-4b+2 = 18 -4b = 18-2 -4b = 16 b = -4
2a-3+4b-2a-b-3+5=3b-1
It is: 4b+6
1/4
5a + 4b - 3a =(5a - 3a) + 4b =2a + 4b =2 (a + 2b)