3-4d=123

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Solution for 3-4d=123 equation: 


Simplifying
3 + -4d = 123

Solving
3 + -4d = 123

Solving for variable 'd'.

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

Add '-3' to each side of the equation.
3 + -3 + -4d = 123 + -3

Combine like terms: 3 + -3 = 0
0 + -4d = 123 + -3
-4d = 123 + -3

Combine like terms: 123 + -3 = 120
-4d = 120

Divide each side by '-4'.
d = -30

Simplifying
d = -30

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