-(d+7)=-3

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Solution for -(d+7)=-3 equation: 


Simplifying
-1(d + 7) = -3

Reorder the terms:
-1(7 + d) = -3
(7 * -1 + d * -1) = -3
(-7 + -1d) = -3

Solving
-7 + -1d = -3

Solving for variable 'd'.

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

Add '7' to each side of the equation.
-7 + 7 + -1d = -3 + 7

Combine like terms: -7 + 7 = 0
0 + -1d = -3 + 7
-1d = -3 + 7

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

Divide each side by '-1'.
d = -4

Simplifying
d = -4

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