-[d+2]=7

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Solution for -[d+2]=7 equation: 


Simplifying
-1[d + 2] = 7

Reorder the terms:
-1[2 + d] = 7
[2 * -1 + d * -1] = 7
[-2 + -1d] = 7

Solving
-2 + -1d = 7

Solving for variable 'd'.

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

Add '2' to each side of the equation.
-2 + 2 + -1d = 7 + 2

Combine like terms: -2 + 2 = 0
0 + -1d = 7 + 2
-1d = 7 + 2

Combine like terms: 7 + 2 = 9
-1d = 9

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

Simplifying
d = -9

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