9(d-4)=5d+12

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Solution for 9(d-4)=5d+12 equation:


Simplifying
9(d + -4) = 5d + 12

Reorder the terms:
9(-4 + d) = 5d + 12
(-4 * 9 + d * 9) = 5d + 12
(-36 + 9d) = 5d + 12

Reorder the terms:
-36 + 9d = 12 + 5d

Solving
-36 + 9d = 12 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
-36 + 9d + -5d = 12 + 5d + -5d

Combine like terms: 9d + -5d = 4d
-36 + 4d = 12 + 5d + -5d

Combine like terms: 5d + -5d = 0
-36 + 4d = 12 + 0
-36 + 4d = 12

Add '36' to each side of the equation.
-36 + 36 + 4d = 12 + 36

Combine like terms: -36 + 36 = 0
0 + 4d = 12 + 36
4d = 12 + 36

Combine like terms: 12 + 36 = 48
4d = 48

Divide each side by '4'.
d = 12

Simplifying
d = 12

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