31=3(9d-4)

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Solution for 31=3(9d-4) equation:


Simplifying
31 = 3(9d + -4)

Reorder the terms:
31 = 3(-4 + 9d)
31 = (-4 * 3 + 9d * 3)
31 = (-12 + 27d)

Solving
31 = -12 + 27d

Solving for variable 'd'.

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

Add '-27d' to each side of the equation.
31 + -27d = -12 + 27d + -27d

Combine like terms: 27d + -27d = 0
31 + -27d = -12 + 0
31 + -27d = -12

Add '-31' to each side of the equation.
31 + -31 + -27d = -12 + -31

Combine like terms: 31 + -31 = 0
0 + -27d = -12 + -31
-27d = -12 + -31

Combine like terms: -12 + -31 = -43
-27d = -43

Divide each side by '-27'.
d = 1.592592593

Simplifying
d = 1.592592593

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