63
26 plus 46
3.5
-16 + - 40 = -(16 + 40) = -56
16 oz = 1 pound (written 1 lb) 56 oz = 56/16 = 3.5 lb The two quantities are equal.
77 plus 76 plus 69 plus 56 is equal to 278.
56
63
128
26 plus 46
That would equal 146.
4 plus 8 plus 12 plus 16 is equal to 40.
3.5
If: 15x2-56 = 88+6x2 Then: 9x2 = 144 And: x2 = 16 So: x = 4
-16 + - 40 = -(16 + 40) = -56
16+16+48 = 80
It is: -15+71 = 56