3-(2d+7)=

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Solution for 3-(2d+7)= equation:


Simplifying
3 + -1(2d + 7) = 0

Reorder the terms:
3 + -1(7 + 2d) = 0
3 + (7 * -1 + 2d * -1) = 0
3 + (-7 + -2d) = 0

Combine like terms: 3 + -7 = -4
-4 + -2d = 0

Solving
-4 + -2d = 0

Solving for variable 'd'.

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

Add '4' to each side of the equation.
-4 + 4 + -2d = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -2d = 0 + 4
-2d = 0 + 4

Combine like terms: 0 + 4 = 4
-2d = 4

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

Simplifying
d = -2

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