4+-2d=12

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Solution for 4+-2d=12 equation: 


Simplifying
4 + -2d = 12

Solving
4 + -2d = 12

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -2d = 12 + -4

Combine like terms: 4 + -4 = 0
0 + -2d = 12 + -4
-2d = 12 + -4

Combine like terms: 12 + -4 = 8
-2d = 8

Divide each side by '-2'.
d = -4

Simplifying
d = -4

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