7d-42-27d=-64-9d

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Solution for 7d-42-27d=-64-9d equation:


Simplifying
7d + -42 + -27d = -64 + -9d

Reorder the terms:
-42 + 7d + -27d = -64 + -9d

Combine like terms: 7d + -27d = -20d
-42 + -20d = -64 + -9d

Solving
-42 + -20d = -64 + -9d

Solving for variable 'd'.

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

Add '9d' to each side of the equation.
-42 + -20d + 9d = -64 + -9d + 9d

Combine like terms: -20d + 9d = -11d
-42 + -11d = -64 + -9d + 9d

Combine like terms: -9d + 9d = 0
-42 + -11d = -64 + 0
-42 + -11d = -64

Add '42' to each side of the equation.
-42 + 42 + -11d = -64 + 42

Combine like terms: -42 + 42 = 0
0 + -11d = -64 + 42
-11d = -64 + 42

Combine like terms: -64 + 42 = -22
-11d = -22

Divide each side by '-11'.
d = 2

Simplifying
d = 2

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