Simplify by combining like terms
8w+4w
12w
8(3a+5b)
24a+40b
c+11d+7c-4d
8c+7d
35 - mn (if m=4 and n=6)
11
5h+14+3h
8h+14
7(4+9)
28+63
9c + 4 - c + 3 - 2c
6c + 7
3v + 17 (if v=9)
44
(2+13m+4n-m+n+7)
(9+12m+3n)
6(x+3)
6x+18
2m-m+8n+14
1m+8n+14
5q + r (if q=9 and r=4)
49
17+5(4n-2)
7 + 20n
19n+10+m-3+5m-12n
7n+7+6m
1/2(28+10)
14+5
8p+1+5q-3q
8p + 1 + 2q
s(2 - exponent) - 18 (if s=5)
7
2+j+15+8j-11
6+9j
12(5-3)
60-36
9x+7y-3y+2x
11x + 4y
y + 3/8 (if y=7/10)
1 3/40