9d-(4d+12)=8

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Solution for 9d-(4d+12)=8 equation:


Simplifying
9d + -1(4d + 12) = 8

Reorder the terms:
9d + -1(12 + 4d) = 8
9d + (12 * -1 + 4d * -1) = 8
9d + (-12 + -4d) = 8

Reorder the terms:
-12 + 9d + -4d = 8

Combine like terms: 9d + -4d = 5d
-12 + 5d = 8

Solving
-12 + 5d = 8

Solving for variable 'd'.

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

Add '12' to each side of the equation.
-12 + 12 + 5d = 8 + 12

Combine like terms: -12 + 12 = 0
0 + 5d = 8 + 12
5d = 8 + 12

Combine like terms: 8 + 12 = 20
5d = 20

Divide each side by '5'.
d = 4

Simplifying
d = 4

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