9(d-5)=90

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Solution for 9(d-5)=90 equation: 


Simplifying
9(d + -5) = 90

Reorder the terms:
9(-5 + d) = 90
(-5 * 9 + d * 9) = 90
(-45 + 9d) = 90

Solving
-45 + 9d = 90

Solving for variable 'd'.

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

Add '45' to each side of the equation.
-45 + 45 + 9d = 90 + 45

Combine like terms: -45 + 45 = 0
0 + 9d = 90 + 45
9d = 90 + 45

Combine like terms: 90 + 45 = 135
9d = 135

Divide each side by '9'.
d = 15

Simplifying
d = 15

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