8-(d-1)=

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Solution for 8-(d-1)= equation:


Simplifying
8 + -1(d + -1) = 0

Reorder the terms:
8 + -1(-1 + d) = 0
8 + (-1 * -1 + d * -1) = 0
8 + (1 + -1d) = 0

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

Solving
9 + -1d = 0

Solving for variable 'd'.

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

Add '-9' to each side of the equation.
9 + -9 + -1d = 0 + -9

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

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

Divide each side by '-1'.
d = 9

Simplifying
d = 9

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