78-d=54

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Solution for 78-d=54 equation:


Simplifying
78 + -1d = 54

Solving
78 + -1d = 54

Solving for variable 'd'.

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

Add '-78' to each side of the equation.
78 + -78 + -1d = 54 + -78

Combine like terms: 78 + -78 = 0
0 + -1d = 54 + -78
-1d = 54 + -78

Combine like terms: 54 + -78 = -24
-1d = -24

Divide each side by '-1'.
d = 24

Simplifying
d = 24

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