4d-1(9-3d)=8d-1

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Solution for 4d-1(9-3d)=8d-1 equation:


Simplifying
4d + -1(9 + -3d) = 8d + -1
4d + (9 * -1 + -3d * -1) = 8d + -1
4d + (-9 + 3d) = 8d + -1

Reorder the terms:
-9 + 4d + 3d = 8d + -1

Combine like terms: 4d + 3d = 7d
-9 + 7d = 8d + -1

Reorder the terms:
-9 + 7d = -1 + 8d

Solving
-9 + 7d = -1 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
-9 + 7d + -8d = -1 + 8d + -8d

Combine like terms: 7d + -8d = -1d
-9 + -1d = -1 + 8d + -8d

Combine like terms: 8d + -8d = 0
-9 + -1d = -1 + 0
-9 + -1d = -1

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

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

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

Divide each side by '-1'.
d = -8

Simplifying
d = -8

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