7(10+-9d)+9=

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Solution for 7(10+-9d)+9= equation:


Simplifying
7(10 + -9d) + 9 = 0
(10 * 7 + -9d * 7) + 9 = 0
(70 + -63d) + 9 = 0

Reorder the terms:
70 + 9 + -63d = 0

Combine like terms: 70 + 9 = 79
79 + -63d = 0

Solving
79 + -63d = 0

Solving for variable 'd'.

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

Add '-79' to each side of the equation.
79 + -79 + -63d = 0 + -79

Combine like terms: 79 + -79 = 0
0 + -63d = 0 + -79
-63d = 0 + -79

Combine like terms: 0 + -79 = -79
-63d = -79

Divide each side by '-63'.
d = 1.253968254

Simplifying
d = 1.253968254

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