9(8-7d)=-23d+9

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Solution for 9(8-7d)=-23d+9 equation:


Simplifying
9(8 + -7d) = -23d + 9
(8 * 9 + -7d * 9) = -23d + 9
(72 + -63d) = -23d + 9

Reorder the terms:
72 + -63d = 9 + -23d

Solving
72 + -63d = 9 + -23d

Solving for variable 'd'.

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

Add '23d' to each side of the equation.
72 + -63d + 23d = 9 + -23d + 23d

Combine like terms: -63d + 23d = -40d
72 + -40d = 9 + -23d + 23d

Combine like terms: -23d + 23d = 0
72 + -40d = 9 + 0
72 + -40d = 9

Add '-72' to each side of the equation.
72 + -72 + -40d = 9 + -72

Combine like terms: 72 + -72 = 0
0 + -40d = 9 + -72
-40d = 9 + -72

Combine like terms: 9 + -72 = -63
-40d = -63

Divide each side by '-40'.
d = 1.575

Simplifying
d = 1.575

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