7(8-2d)=-31

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Solution for 7(8-2d)=-31 equation:


Simplifying
7(8 + -2d) = -31
(8 * 7 + -2d * 7) = -31
(56 + -14d) = -31

Solving
56 + -14d = -31

Solving for variable 'd'.

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

Add '-56' to each side of the equation.
56 + -56 + -14d = -31 + -56

Combine like terms: 56 + -56 = 0
0 + -14d = -31 + -56
-14d = -31 + -56

Combine like terms: -31 + -56 = -87
-14d = -87

Divide each side by '-14'.
d = 6.214285714

Simplifying
d = 6.214285714

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