-6(d+9)-2(d+7)=

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Solution for -6(d+9)-2(d+7)= equation:


Simplifying
-6(d + 9) + -2(d + 7) = 0

Reorder the terms:
-6(9 + d) + -2(d + 7) = 0
(9 * -6 + d * -6) + -2(d + 7) = 0
(-54 + -6d) + -2(d + 7) = 0

Reorder the terms:
-54 + -6d + -2(7 + d) = 0
-54 + -6d + (7 * -2 + d * -2) = 0
-54 + -6d + (-14 + -2d) = 0

Reorder the terms:
-54 + -14 + -6d + -2d = 0

Combine like terms: -54 + -14 = -68
-68 + -6d + -2d = 0

Combine like terms: -6d + -2d = -8d
-68 + -8d = 0

Solving
-68 + -8d = 0

Solving for variable 'd'.

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

Add '68' to each side of the equation.
-68 + 68 + -8d = 0 + 68

Combine like terms: -68 + 68 = 0
0 + -8d = 0 + 68
-8d = 0 + 68

Combine like terms: 0 + 68 = 68
-8d = 68

Divide each side by '-8'.
d = -8.5

Simplifying
d = -8.5

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