79=72+9d-8

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Solution for 79=72+9d-8 equation:


Simplifying
79 = 72 + 9d + -8

Reorder the terms:
79 = 72 + -8 + 9d

Combine like terms: 72 + -8 = 64
79 = 64 + 9d

Solving
79 = 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.
79 + -9d = 64 + 9d + -9d

Combine like terms: 9d + -9d = 0
79 + -9d = 64 + 0
79 + -9d = 64

Add '-79' to each side of the equation.
79 + -79 + -9d = 64 + -79

Combine like terms: 79 + -79 = 0
0 + -9d = 64 + -79
-9d = 64 + -79

Combine like terms: 64 + -79 = -15
-9d = -15

Divide each side by '-9'.
d = 1.666666667

Simplifying
d = 1.666666667

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