-7(-6d-1)=-40

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Solution for -7(-6d-1)=-40 equation:


Simplifying
-7(-6d + -1) = -40

Reorder the terms:
-7(-1 + -6d) = -40
(-1 * -7 + -6d * -7) = -40
(7 + 42d) = -40

Solving
7 + 42d = -40

Solving for variable 'd'.

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

Add '-7' to each side of the equation.
7 + -7 + 42d = -40 + -7

Combine like terms: 7 + -7 = 0
0 + 42d = -40 + -7
42d = -40 + -7

Combine like terms: -40 + -7 = -47
42d = -47

Divide each side by '42'.
d = -1.119047619

Simplifying
d = -1.119047619

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