-3(5d+9)+6(d-7)=

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Solution for -3(5d+9)+6(d-7)= equation:


Simplifying
-3(5d + 9) + 6(d + -7) = 0

Reorder the terms:
-3(9 + 5d) + 6(d + -7) = 0
(9 * -3 + 5d * -3) + 6(d + -7) = 0
(-27 + -15d) + 6(d + -7) = 0

Reorder the terms:
-27 + -15d + 6(-7 + d) = 0
-27 + -15d + (-7 * 6 + d * 6) = 0
-27 + -15d + (-42 + 6d) = 0

Reorder the terms:
-27 + -42 + -15d + 6d = 0

Combine like terms: -27 + -42 = -69
-69 + -15d + 6d = 0

Combine like terms: -15d + 6d = -9d
-69 + -9d = 0

Solving
-69 + -9d = 0

Solving for variable 'd'.

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

Add '69' to each side of the equation.
-69 + 69 + -9d = 0 + 69

Combine like terms: -69 + 69 = 0
0 + -9d = 0 + 69
-9d = 0 + 69

Combine like terms: 0 + 69 = 69
-9d = 69

Divide each side by '-9'.
d = -7.666666667

Simplifying
d = -7.666666667

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