Respuesta :

42=−2d+6

Flip the equation.

−2d+6=42

Subtract 6 from both sides.

−2d+6−6=42−6

−2d=36

Divide both sides by -2.

−2d/−2 = 36/−2

d=−18


-2d+6=42
ok first you will take 6 and subtract it from 6 and take 42 and subtract 6
-2d+6-6=42-6
-2d=36
Now you divide -2/-2 and 36/-2
d=-18 
because positive and a negative divided is a negative
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