-9[6+d]=45

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Solution for -9[6+d]=45 equation: 


Simplifying
-9[6 + d] = 45
[6 * -9 + d * -9] = 45
[-54 + -9d] = 45

Solving
-54 + -9d = 45

Solving for variable 'd'.

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

Add '54' to each side of the equation.
-54 + 54 + -9d = 45 + 54

Combine like terms: -54 + 54 = 0
0 + -9d = 45 + 54
-9d = 45 + 54

Combine like terms: 45 + 54 = 99
-9d = 99

Divide each side by '-9'.
d = -11

Simplifying
d = -11

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