-6(d+7)-3(d-3)=

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Solution for -6(d+7)-3(d-3)= equation:


Simplifying
-6(d + 7) + -3(d + -3) = 0

Reorder the terms:
-6(7 + d) + -3(d + -3) = 0
(7 * -6 + d * -6) + -3(d + -3) = 0
(-42 + -6d) + -3(d + -3) = 0

Reorder the terms:
-42 + -6d + -3(-3 + d) = 0
-42 + -6d + (-3 * -3 + d * -3) = 0
-42 + -6d + (9 + -3d) = 0

Reorder the terms:
-42 + 9 + -6d + -3d = 0

Combine like terms: -42 + 9 = -33
-33 + -6d + -3d = 0

Combine like terms: -6d + -3d = -9d
-33 + -9d = 0

Solving
-33 + -9d = 0

Solving for variable 'd'.

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

Add '33' to each side of the equation.
-33 + 33 + -9d = 0 + 33

Combine like terms: -33 + 33 = 0
0 + -9d = 0 + 33
-9d = 0 + 33

Combine like terms: 0 + 33 = 33
-9d = 33

Divide each side by '-9'.
d = -3.666666667

Simplifying
d = -3.666666667

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