-1-2(-d+5)=81

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Solution for -1-2(-d+5)=81 equation:


Simplifying
-1 + -2(-1d + 5) = 81

Reorder the terms:
-1 + -2(5 + -1d) = 81
-1 + (5 * -2 + -1d * -2) = 81
-1 + (-10 + 2d) = 81

Combine like terms: -1 + -10 = -11
-11 + 2d = 81

Solving
-11 + 2d = 81

Solving for variable 'd'.

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

Add '11' to each side of the equation.
-11 + 11 + 2d = 81 + 11

Combine like terms: -11 + 11 = 0
0 + 2d = 81 + 11
2d = 81 + 11

Combine like terms: 81 + 11 = 92
2d = 92

Divide each side by '2'.
d = 46

Simplifying
d = 46

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