It stands for whatever you choose it to stand for.
Chat with our AI personalities
d = 2
It is a linear equation in one unknown, d.
D + 3D = 240 4D = 240 Divide both sides of the equation by 4: D = 60
1.6-d=12.8+3d 12.8-1.6=-d-3d 11.2=-4d 11.2/-4=d d=-2.8
-60 - 17 + (4-1)d + (10-2)c = -77 + 3d + 8c.