Simplify
-3x+12x
9x
-1/2(y-x)
-1/2y+1/2x
27x-9
9(3x-1)
(3z+1)+(5+7z)
10z+6
(6x+13)-(3x-7)
3x+20
n+4.5-0.3n-3
0.7n+1.5
a(8+2b-6)
2a+2ab
8x+36
4(2x+9)
(10x-4)+(-7+x)
11x-11
m-(8-3m)
4m-8
-1.3f+0.4j-12-1+2.9f
1.6f+0.4j-13
h(3k-12.4)
3hk-12.4h
28y-32
4(7y-8)
(8b+12)+(3n+6)+(9b-4)
17b+3n+14
(14z-3)-(6-5z)
19z-9
2/11x-5/11z+4-1/11z-8
-4/11z-4
2.5(-10+3 3/4x-6.2)
-40.5+9.375x
14x+28y-21
7(2x+4y-3)
(4/5x+1)+(2/5x-1)
1 1/5x
(-4b+15-7k)-(6+4b-2k)
-8b-5k+9
11+(-3)-1/8j-3/8j+7
15-4/8j
1/5(15+10x-5)
2+2x
-20a-8+12b
-4(5a+2-3b)
(3/7m-3+4n)+(2/7m-2n+6)
5/7m+2n+3
(4/5x+1)-(2/5x-1)
2/5x+2