Multiplying integers
(-4)(10)(-12)
480
12 / (-1/3)
-36
(-5x)(-3y)(5z)(-4w)
-200wxyz
-5 / (-2/10)
25
-4(2a + 3b - 4c)
-8a -12b + 16c
-1/8 (56g - 72h)
-7g + 9h
(-63x81) + (56*81) + (-13*81)
1620
1/5 (-5a + 20b) - 1/2(2b-6a)
-a + 4b -b + 3a = 2a + 3b
500p - 500(2p+1) = -500p - 500 :(
-1/20 (5z - 4w) - 6(-1/30w - 1/24z)
1/4z + 1/5w + 1/5w + 1/4z = 2/5w + 1/2z