15-(3d+7)=2

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Solution for 15-(3d+7)=2 equation:


Simplifying
15 + -1(3d + 7) = 2

Reorder the terms:
15 + -1(7 + 3d) = 2
15 + (7 * -1 + 3d * -1) = 2
15 + (-7 + -3d) = 2

Combine like terms: 15 + -7 = 8
8 + -3d = 2

Solving
8 + -3d = 2

Solving for variable 'd'.

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

Add '-8' to each side of the equation.
8 + -8 + -3d = 2 + -8

Combine like terms: 8 + -8 = 0
0 + -3d = 2 + -8
-3d = 2 + -8

Combine like terms: 2 + -8 = -6
-3d = -6

Divide each side by '-3'.
d = 2

Simplifying
d = 2

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