5+7=3d

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Solution for 5+7=3d equation:


Simplifying
5 + 7 = 3d

Combine like terms: 5 + 7 = 12
12 = 3d

Solving
12 = 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
12 + -3d = 3d + -3d

Combine like terms: 3d + -3d = 0
12 + -3d = 0

Add '-12' to each side of the equation.
12 + -12 + -3d = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3d = 0 + -12
-3d = 0 + -12

Combine like terms: 0 + -12 = -12
-3d = -12

Divide each side by '-3'.
d = 4

Simplifying
d = 4

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