9(11-d)=3(3d-9)

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Solution for 9(11-d)=3(3d-9) equation:


Simplifying
9(11 + -1d) = 3(3d + -9)
(11 * 9 + -1d * 9) = 3(3d + -9)
(99 + -9d) = 3(3d + -9)

Reorder the terms:
99 + -9d = 3(-9 + 3d)
99 + -9d = (-9 * 3 + 3d * 3)
99 + -9d = (-27 + 9d)

Solving
99 + -9d = -27 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
99 + -9d + -9d = -27 + 9d + -9d

Combine like terms: -9d + -9d = -18d
99 + -18d = -27 + 9d + -9d

Combine like terms: 9d + -9d = 0
99 + -18d = -27 + 0
99 + -18d = -27

Add '-99' to each side of the equation.
99 + -99 + -18d = -27 + -99

Combine like terms: 99 + -99 = 0
0 + -18d = -27 + -99
-18d = -27 + -99

Combine like terms: -27 + -99 = -126
-18d = -126

Divide each side by '-18'.
d = 7

Simplifying
d = 7

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