-1(-4d+1)=-9

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Solution for -1(-4d+1)=-9 equation: 


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

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

Solving
-1 + 4d = -9

Solving for variable 'd'.

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

Add '1' to each side of the equation.
-1 + 1 + 4d = -9 + 1

Combine like terms: -1 + 1 = 0
0 + 4d = -9 + 1
4d = -9 + 1

Combine like terms: -9 + 1 = -8
4d = -8

Divide each side by '4'.
d = -2

Simplifying
d = -2

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