-9d-8=2(d+4)-7d

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Solution for -9d-8=2(d+4)-7d equation:


Simplifying
-9d + -8 = 2(d + 4) + -7d

Reorder the terms:
-8 + -9d = 2(d + 4) + -7d

Reorder the terms:
-8 + -9d = 2(4 + d) + -7d
-8 + -9d = (4 * 2 + d * 2) + -7d
-8 + -9d = (8 + 2d) + -7d

Combine like terms: 2d + -7d = -5d
-8 + -9d = 8 + -5d

Solving
-8 + -9d = 8 + -5d

Solving for variable 'd'.

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

Add '5d' to each side of the equation.
-8 + -9d + 5d = 8 + -5d + 5d

Combine like terms: -9d + 5d = -4d
-8 + -4d = 8 + -5d + 5d

Combine like terms: -5d + 5d = 0
-8 + -4d = 8 + 0
-8 + -4d = 8

Add '8' to each side of the equation.
-8 + 8 + -4d = 8 + 8

Combine like terms: -8 + 8 = 0
0 + -4d = 8 + 8
-4d = 8 + 8

Combine like terms: 8 + 8 = 16
-4d = 16

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

Simplifying
d = -4

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