3n+4d=40

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Solution for 3n+4d=40 equation: 


Simplifying
3n + 4d = 40

Reorder the terms:
4d + 3n = 40

Solving
4d + 3n = 40

Solving for variable 'd'.

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

Add '-3n' to each side of the equation.
4d + 3n + -3n = 40 + -3n

Combine like terms: 3n + -3n = 0
4d + 0 = 40 + -3n
4d = 40 + -3n

Divide each side by '4'.
d = 10 + -0.75n

Simplifying
d = 10 + -0.75n

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